301 Area Code in Maryland, United States

Description

Area code 301 serves western and southern Maryland, including cities such as Frederick, Hagerstown, Waldorf, and parts of the Washington, D.C. suburbs. It is one of the original area codes created in 1947 and originally served the entire state. In 1991, the eastern portion of the state was split off to form 410, and in 1997, overlay 240 was introduced to cover the 301 region. The area includes both rural landscapes and fast-growing suburban corridors. With proximity to Washington, D.C., 301 is associated with federal agencies, defense contractors, and commuters. It remains a widely recognized and historically significant area code in Maryland.

Time & Time Zone

Time zone:

Eastern (GMT -05:00)

Current time:

Map

Major Cities

City	Prefixes
Rockville	(301) 208 , (301) 212 , (301) 213 , (301) 214 , (301) 216 , (301) 217 , (301) 230 , (301) 231 , (301) 240 , (301) 242 , (301) 251 , (301) 254 , (301) 255 , (301) 258 , (301) 260 , (301) 279 , (301) 287 , (301) 288 , (301) 294 , (301) 295 , (301) 296 , (301) 309 , (301) 314 , (301) 315 , (301) 319 , (301) 321 , (301) 330 , (301) 332 , (301) 340 , (301) 354 , (301) 370 , (301) 382 , (301) 398 , (301) 402 , (301) 413 , (301) 415 , (301) 417 , (301) 424 , (301) 435 , (301) 442 , (301) 443 , (301) 452 , (301) 460 , (301) 461 , (301) 465 , (301) 466 , (301) 468 , (301) 489 , (301) 493 , (301) 496 , (301) 517 , (301) 518 , (301) 519 , (301) 522 , (301) 527 , (301) 529 , (301) 530 , (301) 537 , (301) 538 , (301) 544 , (301) 545 , (301) 548 , (301) 556 , (301) 564 , (301) 570 , (301) 571 , (301) 581 , (301) 584 , (301) 590 , (301) 594 , (301) 603 , (301) 610 , (301) 670 , (301) 677 , (301) 679 , (301) 721 , (301) 728 , (301) 738 , (301) 762 , (301) 768 , (301) 770 , (301) 774 , (301) 795 , (301) 803 , (301) 816 , (301) 825 , (301) 827 , (301) 838 , (301) 840 , (301) 869 , (301) 871 , (301) 881 , (301) 896 , (301) 897 , (301) 921 , (301) 924 , (301) 926 , (301) 929 , (301) 933 , (301) 942 , (301) 944 , (301) 945 , (301) 946 , (301) 947 , (301) 948 , (301) 949 , (301) 956 , (301) 962 , (301) 963 , (301) 966 , (301) 975 , (301) 977 , (301) 978 , (301) 984 , (301) 987 , (301) 990 , (301) 998
Silver Spring	(301) 227 , (301) 233 , (301) 236 , (301) 237 , (301) 252 , (301) 254 , (301) 257 , (301) 260 , (301) 273 , (301) 282 , (301) 285 , (301) 295 , (301) 325 , (301) 326 , (301) 328 , (301) 332 , (301) 348 , (301) 357 , (301) 367 , (301) 370 , (301) 379 , (301) 384 , (301) 388 , (301) 404 , (301) 405 , (301) 408 , (301) 419 , (301) 421 , (301) 427 , (301) 431 , (301) 434 , (301) 438 , (301) 439 , (301) 445 , (301) 448 , (301) 455 , (301) 460 , (301) 461 , (301) 466 , (301) 476 , (301) 495 , (301) 502 , (301) 510 , (301) 512 , (301) 517 , (301) 523 , (301) 526 , (301) 529 , (301) 537 , (301) 551 , (301) 561 , (301) 562 , (301) 563 , (301) 565 , (301) 572 , (301) 576 , (301) 578 , (301) 584 , (301) 585 , (301) 586 , (301) 587 , (301) 588 , (301) 589 , (301) 592 , (301) 593 , (301) 598 , (301) 603 , (301) 608 , (301) 618 , (301) 622 , (301) 625 , (301) 626 , (301) 628 , (301) 641 , (301) 648 , (301) 649 , (301) 650 , (301) 679 , (301) 680 , (301) 681 , (301) 692 , (301) 701 , (301) 704 , (301) 713 , (301) 754 , (301) 755 , (301) 761 , (301) 787 , (301) 792 , (301) 801 , (301) 819 , (301) 827 , (301) 830 , (301) 847 , (301) 871 , (301) 879 , (301) 890 , (301) 905 , (301) 920 , (301) 924 , (301) 929 , (301) 933 , (301) 938 , (301) 939 , (301) 940 , (301) 942 , (301) 943 , (301) 946 , (301) 949 , (301) 960 , (301) 962 , (301) 966 , (301) 989 , (301) 992 , (301) 998
Bethesda	(301) 202 , (301) 204 , (301) 214 , (301) 215 , (301) 219 , (301) 222 , (301) 224 , (301) 227 , (301) 229 , (301) 243 , (301) 263 , (301) 272 , (301) 280 , (301) 284 , (301) 295 , (301) 296 , (301) 300 , (301) 305 , (301) 312 , (301) 318 , (301) 319 , (301) 320 , (301) 347 , (301) 348 , (301) 365 , (301) 380 , (301) 400 , (301) 402 , (301) 433 , (301) 435 , (301) 442 , (301) 443 , (301) 452 , (301) 455 , (301) 469 , (301) 480 , (301) 492 , (301) 493 , (301) 496 , (301) 500 , (301) 504 , (301) 517 , (301) 520 , (301) 529 , (301) 530 , (301) 534 , (301) 551 , (301) 554 , (301) 564 , (301) 571 , (301) 581 , (301) 594 , (301) 634 , (301) 646 , (301) 652 , (301) 654 , (301) 656 , (301) 657 , (301) 661 , (301) 664 , (301) 674 , (301) 692 , (301) 717 , (301) 718 , (301) 760 , (301) 761 , (301) 767 , (301) 792 , (301) 803 , (301) 807 , (301) 813 , (301) 814 , (301) 827 , (301) 828 , (301) 896 , (301) 897 , (301) 906 , (301) 907 , (301) 910 , (301) 913 , (301) 928 , (301) 939 , (301) 941 , (301) 943 , (301) 951 , (301) 960 , (301) 961 , (301) 968 , (301) 981 , (301) 986
Gaithersburg	(301) 208 , (301) 212 , (301) 216 , (301) 217 , (301) 240 , (301) 250 , (301) 251 , (301) 253 , (301) 257 , (301) 258 , (301) 279 , (301) 294 , (301) 296 , (301) 309 , (301) 315 , (301) 325 , (301) 330 , (301) 337 , (301) 340 , (301) 351 , (301) 353 , (301) 355 , (301) 368 , (301) 391 , (301) 414 , (301) 417 , (301) 424 , (301) 428 , (301) 482 , (301) 517 , (301) 519 , (301) 523 , (301) 525 , (301) 527 , (301) 545 , (301) 548 , (301) 569 , (301) 590 , (301) 591 , (301) 610 , (301) 633 , (301) 640 , (301) 642 , (301) 655 , (301) 670 , (301) 674 , (301) 707 , (301) 721 , (301) 738 , (301) 740 , (301) 744 , (301) 762 , (301) 785 , (301) 806 , (301) 818 , (301) 820 , (301) 838 , (301) 840 , (301) 869 , (301) 921 , (301) 924 , (301) 926 , (301) 944 , (301) 947 , (301) 948 , (301) 963 , (301) 973 , (301) 975 , (301) 977 , (301) 978 , (301) 979 , (301) 987 , (301) 990 , (301) 998
Hyattsville	(301) 209 , (301) 220 , (301) 222 , (301) 226 , (301) 270 , (301) 276 , (301) 277 , (301) 291 , (301) 303 , (301) 306 , (301) 322 , (301) 324 , (301) 332 , (301) 333 , (301) 336 , (301) 341 , (301) 345 , (301) 350 , (301) 361 , (301) 386 , (301) 394 , (301) 403 , (301) 404 , (301) 408 , (301) 422 , (301) 429 , (301) 431 , (301) 434 , (301) 436 , (301) 439 , (301) 441 , (301) 445 , (301) 446 , (301) 448 , (301) 452 , (301) 454 , (301) 458 , (301) 459 , (301) 474 , (301) 484 , (301) 486 , (301) 499 , (301) 523 , (301) 552 , (301) 559 , (301) 577 , (301) 583 , (301) 595 , (301) 614 , (301) 618 , (301) 636 , (301) 644 , (301) 699 , (301) 731 , (301) 772 , (301) 773 , (301) 779 , (301) 792 , (301) 806 , (301) 808 , (301) 853 , (301) 864 , (301) 883 , (301) 887 , (301) 891 , (301) 909 , (301) 918 , (301) 925 , (301) 927 , (301) 931 , (301) 937 , (301) 982 , (301) 985
Upper Marlboro	(301) 218 , (301) 249 , (301) 298 , (301) 322 , (301) 324 , (301) 327 , (301) 332 , (301) 333 , (301) 336 , (301) 341 , (301) 343 , (301) 350 , (301) 358 , (301) 372 , (301) 386 , (301) 390 , (301) 420 , (301) 452 , (301) 499 , (301) 568 , (301) 574 , (301) 579 , (301) 583 , (301) 599 , (301) 618 , (301) 627 , (301) 636 , (301) 641 , (301) 669 , (301) 715 , (301) 728 , (301) 735 , (301) 736 , (301) 772 , (301) 773 , (301) 780 , (301) 782 , (301) 807 , (301) 808 , (301) 817 , (301) 856 , (301) 868 , (301) 877 , (301) 883 , (301) 888 , (301) 908 , (301) 919 , (301) 925 , (301) 952 , (301) 967 , (301) 996
Laurel	(301) 206 , (301) 210 , (301) 221 , (301) 237 , (301) 317 , (301) 323 , (301) 332 , (301) 343 , (301) 346 , (301) 347 , (301) 356 , (301) 362 , (301) 369 , (301) 376 , (301) 377 , (301) 389 , (301) 395 , (301) 419 , (301) 425 , (301) 437 , (301) 440 , (301) 470 , (301) 483 , (301) 490 , (301) 497 , (301) 498 , (301) 537 , (301) 543 , (301) 549 , (301) 566 , (301) 602 , (301) 604 , (301) 613 , (301) 617 , (301) 647 , (301) 706 , (301) 716 , (301) 725 , (301) 741 , (301) 756 , (301) 776 , (301) 793 , (301) 875 , (301) 886 , (301) 902 , (301) 939 , (301) 953 , (301) 957 , (301) 974 , (301) 996
Chevy Chase	(301) 204 , (301) 215 , (301) 219 , (301) 280 , (301) 289 , (301) 312 , (301) 318 , (301) 455 , (301) 480 , (301) 492 , (301) 495 , (301) 503 , (301) 509 , (301) 523 , (301) 534 , (301) 554 , (301) 562 , (301) 563 , (301) 565 , (301) 578 , (301) 585 , (301) 587 , (301) 588 , (301) 589 , (301) 608 , (301) 634 , (301) 646 , (301) 650 , (301) 652 , (301) 654 , (301) 656 , (301) 657 , (301) 664 , (301) 718 , (301) 771 , (301) 813 , (301) 814 , (301) 822 , (301) 841 , (301) 901 , (301) 906 , (301) 907 , (301) 910 , (301) 913 , (301) 941 , (301) 951 , (301) 961 , (301) 968 , (301) 986
Frederick	(301) 213 , (301) 228 , (301) 293 , (301) 304 , (301) 305 , (301) 360 , (301) 370 , (301) 371 , (301) 378 , (301) 385 , (301) 418 , (301) 435 , (301) 465 , (301) 471 , (301) 473 , (301) 514 , (301) 524 , (301) 600 , (301) 606 , (301) 607 , (301) 619 , (301) 620 , (301) 624 , (301) 631 , (301) 633 , (301) 639 , (301) 644 , (301) 662 , (301) 663 , (301) 668 , (301) 673 , (301) 682 , (301) 688 , (301) 693 , (301) 694 , (301) 695 , (301) 696 , (301) 698 , (301) 712 , (301) 748 , (301) 788 , (301) 815 , (301) 831 , (301) 846 , (301) 874 , (301) 898 , (301) 980
College Park	(301) 209 , (301) 220 , (301) 267 , (301) 277 , (301) 308 , (301) 313 , (301) 314 , (301) 345 , (301) 361 , (301) 377 , (301) 403 , (301) 405 , (301) 441 , (301) 446 , (301) 454 , (301) 474 , (301) 477 , (301) 486 , (301) 489 , (301) 506 , (301) 507 , (301) 513 , (301) 614 , (301) 615 , (301) 623 , (301) 675 , (301) 699 , (301) 708 , (301) 709 , (301) 713 , (301) 779 , (301) 837 , (301) 852 , (301) 864 , (301) 887 , (301) 901 , (301) 914 , (301) 927 , (301) 931 , (301) 935 , (301) 981 , (301) 982 , (301) 985 , (301) 993 , (301) 996
Bowie	(301) 210 , (301) 213 , (301) 218 , (301) 249 , (301) 262 , (301) 282 , (301) 306 , (301) 324 , (301) 332 , (301) 333 , (301) 336 , (301) 350 , (301) 352 , (301) 366 , (301) 390 , (301) 429 , (301) 430 , (301) 440 , (301) 451 , (301) 456 , (301) 459 , (301) 464 , (301) 467 , (301) 499 , (301) 577 , (301) 580 , (301) 629 , (301) 636 , (301) 647 , (301) 666 , (301) 731 , (301) 805 , (301) 808 , (301) 809 , (301) 833 , (301) 850 , (301) 860 , (301) 867 , (301) 883 , (301) 918 , (301) 922 , (301) 925
Potomac	(301) 212 , (301) 217 , (301) 251 , (301) 255 , (301) 258 , (301) 279 , (301) 294 , (301) 299 , (301) 309 , (301) 315 , (301) 331 , (301) 340 , (301) 354 , (301) 365 , (301) 406 , (301) 424 , (301) 442 , (301) 469 , (301) 517 , (301) 518 , (301) 545 , (301) 590 , (301) 610 , (301) 670 , (301) 738 , (301) 742 , (301) 762 , (301) 765 , (301) 767 , (301) 775 , (301) 838 , (301) 840 , (301) 921 , (301) 922 , (301) 948 , (301) 975 , (301) 978 , (301) 983 , (301) 996 , (301) 998

Counties

County	Prefixes
Montgomery	(301) 202 , (301) 204 , (301) 208 , (301) 212 , (301) 213 , (301) 214 , (301) 215 , (301) 216 , (301) 217 , (301) 219 , (301) 222 , (301) 224 , (301) 227 , (301) 229 , (301) 230 , (301) 231 , (301) 232 , (301) 233 , (301) 236 , (301) 237 , (301) 240 , (301) 242 , (301) 243 , (301) 244 , (301) 250 , (301) 251 , (301) 252 , (301) 253 , (301) 254 , (301) 255 , (301) 256 , (301) 257 , (301) 258 , (301) 260 , (301) 263 , (301) 269 , (301) 270 , (301) 272 , (301) 273 , (301) 275 , (301) 279 , (301) 280 , (301) 282 , (301) 284 , (301) 285 , (301) 287 , (301) 288 , (301) 289 , (301) 294 , (301) 295 , (301) 296 , (301) 299 , (301) 300 , (301) 305 , (301) 309 , (301) 312 , (301) 314 , (301) 315 , (301) 318 , (301) 319 , (301) 320 , (301) 321 , (301) 325 , (301) 326 , (301) 328 , (301) 330 , (301) 331 , (301) 332 , (301) 337 , (301) 340 , (301) 347 , (301) 348 , (301) 349 , (301) 351 , (301) 353 , (301) 354 , (301) 355 , (301) 357 , (301) 363 , (301) 365 , (301) 367 , (301) 368 , (301) 370 , (301) 379 , (301) 380 , (301) 382 , (301) 384 , (301) 388 , (301) 391 , (301) 398 , (301) 400 , (301) 402 , (301) 404 , (301) 405 , (301) 406 , (301) 407 , (301) 408 , (301) 412 , (301) 413 , (301) 414 , (301) 415 , (301) 417 , (301) 419 , (301) 421 , (301) 424 , (301) 427 , (301) 428 , (301) 431 , (301) 433 , (301) 434 , (301) 435 , (301) 438 , (301) 439 , (301) 440 , (301) 442 , (301) 443 , (301) 444 , (301) 445 , (301) 448 , (301) 452 , (301) 455 , (301) 460 , (301) 461 , (301) 465 , (301) 466 , (301) 468 , (301) 469 , (301) 476 , (301) 480 , (301) 482 , (301) 489 , (301) 492 , (301) 493 , (301) 495 , (301) 496 , (301) 500 , (301) 502 , (301) 503 , (301) 504 , (301) 509 , (301) 510 , (301) 512 , (301) 515 , (301) 517 , (301) 518 , (301) 519 , (301) 520 , (301) 521 , (301) 522 , (301) 523 , (301) 525 , (301) 526 , (301) 527 , (301) 528 , (301) 529 , (301) 530 , (301) 534 , (301) 537 , (301) 538 , (301) 540 , (301) 544 , (301) 545 , (301) 548 , (301) 549 , (301) 551 , (301) 554 , (301) 556 , (301) 561 , (301) 562 , (301) 563 , (301) 564 , (301) 565 , (301) 569 , (301) 570 , (301) 571 , (301) 572 , (301) 576 , (301) 578 , (301) 581 , (301) 584 , (301) 585 , (301) 586 , (301) 587 , (301) 588 , (301) 589 , (301) 590 , (301) 591 , (301) 592 , (301) 593 , (301) 594 , (301) 598 , (301) 601 , (301) 603 , (301) 605 , (301) 607 , (301) 608 , (301) 610 , (301) 612 , (301) 618 , (301) 622 , (301) 625 , (301) 626 , (301) 628 , (301) 633 , (301) 634 , (301) 640 , (301) 641 , (301) 642 , (301) 646 , (301) 648 , (301) 649 , (301) 650 , (301) 651 , (301) 652 , (301) 654 , (301) 655 , (301) 656 , (301) 657 , (301) 658 , (301) 661 , (301) 664 , (301) 670 , (301) 674 , (301) 677 , (301) 679 , (301) 680 , (301) 681 , (301) 685 , (301) 691 , (301) 692 , (301) 701 , (301) 704 , (301) 707 , (301) 713 , (301) 717 , (301) 718 , (301) 721 , (301) 728 , (301) 738 , (301) 740 , (301) 742 , (301) 744 , (301) 754 , (301) 755 , (301) 760 , (301) 761 , (301) 762 , (301) 765 , (301) 767 , (301) 768 , (301) 770 , (301) 771 , (301) 774 , (301) 775 , (301) 785 , (301) 787 , (301) 792 , (301) 795 , (301) 801 , (301) 803 , (301) 804 , (301) 806 , (301) 807 , (301) 813 , (301) 814 , (301) 816 , (301) 818 , (301) 819 , (301) 820 , (301) 822 , (301) 825 , (301) 827 , (301) 828 , (301) 830 , (301) 831 , (301) 838 , (301) 840 , (301) 841 , (301) 847 , (301) 848 , (301) 869 , (301) 871 , (301) 874 , (301) 879 , (301) 881 , (301) 890 , (301) 891 , (301) 896 , (301) 897 , (301) 901 , (301) 903 , (301) 905 , (301) 906 , (301) 907 , (301) 910 , (301) 913 , (301) 915 , (301) 916 , (301) 917 , (301) 920 , (301) 921 , (301) 922 , (301) 924 , (301) 926 , (301) 928 , (301) 929 , (301) 933 , (301) 938 , (301) 939 , (301) 940 , (301) 941 , (301) 942 , (301) 943 , (301) 944 , (301) 945 , (301) 946 , (301) 947 , (301) 948 , (301) 949 , (301) 951 , (301) 956 , (301) 960 , (301) 961 , (301) 962 , (301) 963 , (301) 966 , (301) 968 , (301) 972 , (301) 973 , (301) 975 , (301) 977 , (301) 978 , (301) 979 , (301) 981 , (301) 983 , (301) 984 , (301) 986 , (301) 987 , (301) 989 , (301) 990 , (301) 992 , (301) 996 , (301) 998
Prince Georges	(301) 203 , (301) 206 , (301) 207 , (301) 209 , (301) 210 , (301) 213 , (301) 218 , (301) 220 , (301) 221 , (301) 222 , (301) 225 , (301) 226 , (301) 234 , (301) 235 , (301) 237 , (301) 238 , (301) 239 , (301) 248 , (301) 249 , (301) 262 , (301) 265 , (301) 267 , (301) 270 , (301) 273 , (301) 276 , (301) 277 , (301) 278 , (301) 281 , (301) 282 , (301) 283 , (301) 286 , (301) 289 , (301) 291 , (301) 292 , (301) 297 , (301) 298 , (301) 303 , (301) 306 , (301) 308 , (301) 313 , (301) 314 , (301) 316 , (301) 317 , (301) 322 , (301) 323 , (301) 324 , (301) 327 , (301) 332 , (301) 333 , (301) 336 , (301) 341 , (301) 343 , (301) 344 , (301) 345 , (301) 346 , (301) 347 , (301) 350 , (301) 352 , (301) 358 , (301) 361 , (301) 362 , (301) 364 , (301) 366 , (301) 369 , (301) 372 , (301) 377 , (301) 383 , (301) 386 , (301) 389 , (301) 390 , (301) 394 , (301) 397 , (301) 403 , (301) 404 , (301) 405 , (301) 408 , (301) 419 , (301) 420 , (301) 422 , (301) 423 , (301) 425 , (301) 426 , (301) 429 , (301) 430 , (301) 431 , (301) 433 , (301) 434 , (301) 436 , (301) 437 , (301) 439 , (301) 440 , (301) 441 , (301) 442 , (301) 445 , (301) 446 , (301) 448 , (301) 449 , (301) 451 , (301) 452 , (301) 454 , (301) 455 , (301) 456 , (301) 457 , (301) 458 , (301) 459 , (301) 464 , (301) 467 , (301) 470 , (301) 474 , (301) 477 , (301) 479 , (301) 483 , (301) 484 , (301) 485 , (301) 486 , (301) 489 , (301) 490 , (301) 497 , (301) 498 , (301) 499 , (301) 504 , (301) 505 , (301) 506 , (301) 507 , (301) 513 , (301) 516 , (301) 521 , (301) 523 , (301) 529 , (301) 531 , (301) 532 , (301) 537 , (301) 541 , (301) 543 , (301) 549 , (301) 552 , (301) 558 , (301) 559 , (301) 560 , (301) 566 , (301) 567 , (301) 568 , (301) 572 , (301) 574 , (301) 577 , (301) 579 , (301) 580 , (301) 583 , (301) 586 , (301) 595 , (301) 599 , (301) 604 , (301) 613 , (301) 614 , (301) 615 , (301) 617 , (301) 618 , (301) 623 , (301) 627 , (301) 629 , (301) 630 , (301) 636 , (301) 641 , (301) 644 , (301) 647 , (301) 651 , (301) 666 , (301) 669 , (301) 675 , (301) 683 , (301) 686 , (301) 699 , (301) 702 , (301) 708 , (301) 709 , (301) 713 , (301) 715 , (301) 716 , (301) 717 , (301) 719 , (301) 720 , (301) 725 , (301) 727 , (301) 728 , (301) 731 , (301) 734 , (301) 735 , (301) 736 , (301) 742 , (301) 747 , (301) 749 , (301) 751 , (301) 756 , (301) 760 , (301) 763 , (301) 772 , (301) 773 , (301) 776 , (301) 778 , (301) 779 , (301) 780 , (301) 782 , (301) 783 , (301) 789 , (301) 792 , (301) 793 , (301) 794 , (301) 796 , (301) 805 , (301) 806 , (301) 807 , (301) 808 , (301) 809 , (301) 817 , (301) 821 , (301) 823 , (301) 832 , (301) 833 , (301) 836 , (301) 837 , (301) 839 , (301) 841 , (301) 844 , (301) 850 , (301) 851 , (301) 852 , (301) 853 , (301) 856 , (301) 859 , (301) 860 , (301) 864 , (301) 867 , (301) 868 , (301) 877 , (301) 880 , (301) 883 , (301) 887 , (301) 888 , (301) 891 , (301) 892 , (301) 894 , (301) 899 , (301) 901 , (301) 902 , (301) 908 , (301) 909 , (301) 914 , (301) 918 , (301) 919 , (301) 922 , (301) 923 , (301) 925 , (301) 927 , (301) 930 , (301) 931 , (301) 935 , (301) 936 , (301) 937 , (301) 939 , (301) 952 , (301) 953 , (301) 954 , (301) 955 , (301) 957 , (301) 965 , (301) 967 , (301) 971 , (301) 976 , (301) 981 , (301) 982 , (301) 985 , (301) 993 , (301) 996
Frederick	(301) 213 , (301) 228 , (301) 241 , (301) 252 , (301) 253 , (301) 269 , (301) 271 , (301) 293 , (301) 304 , (301) 305 , (301) 335 , (301) 360 , (301) 368 , (301) 370 , (301) 371 , (301) 378 , (301) 385 , (301) 391 , (301) 401 , (301) 414 , (301) 416 , (301) 418 , (301) 432 , (301) 435 , (301) 447 , (301) 462 , (301) 465 , (301) 471 , (301) 473 , (301) 487 , (301) 508 , (301) 514 , (301) 524 , (301) 600 , (301) 606 , (301) 607 , (301) 619 , (301) 620 , (301) 624 , (301) 631 , (301) 633 , (301) 635 , (301) 639 , (301) 641 , (301) 644 , (301) 662 , (301) 663 , (301) 667 , (301) 668 , (301) 673 , (301) 674 , (301) 676 , (301) 682 , (301) 685 , (301) 688 , (301) 693 , (301) 694 , (301) 695 , (301) 696 , (301) 698 , (301) 703 , (301) 712 , (301) 748 , (301) 788 , (301) 798 , (301) 806 , (301) 810 , (301) 815 , (301) 829 , (301) 831 , (301) 834 , (301) 845 , (301) 846 , (301) 854 , (301) 865 , (301) 873 , (301) 874 , (301) 882 , (301) 898 , (301) 969 , (301) 980 , (301) 996
Anne Arundel	(301) 205 , (301) 206 , (301) 261 , (301) 298 , (301) 317 , (301) 319 , (301) 323 , (301) 356 , (301) 358 , (301) 362 , (301) 369 , (301) 376 , (301) 389 , (301) 395 , (301) 409 , (301) 440 , (301) 470 , (301) 483 , (301) 490 , (301) 497 , (301) 498 , (301) 520 , (301) 574 , (301) 596 , (301) 604 , (301) 617 , (301) 621 , (301) 627 , (301) 674 , (301) 677 , (301) 688 , (301) 715 , (301) 725 , (301) 741 , (301) 756 , (301) 768 , (301) 776 , (301) 802 , (301) 855 , (301) 858 , (301) 875 , (301) 886 , (301) 889 , (301) 912 , (301) 939 , (301) 952 , (301) 953 , (301) 970 , (301) 974
Charles	(301) 200 , (301) 246 , (301) 259 , (301) 266 , (301) 274 , (301) 283 , (301) 372 , (301) 374 , (301) 375 , (301) 392 , (301) 396 , (301) 399 , (301) 535 , (301) 539 , (301) 542 , (301) 553 , (301) 579 , (301) 609 , (301) 632 , (301) 637 , (301) 638 , (301) 643 , (301) 645 , (301) 653 , (301) 659 , (301) 684 , (301) 705 , (301) 710 , (301) 743 , (301) 744 , (301) 751 , (301) 752 , (301) 753 , (301) 764 , (301) 782 , (301) 843 , (301) 861 , (301) 870 , (301) 880 , (301) 885 , (301) 888 , (301) 893 , (301) 928 , (301) 932 , (301) 934
Howard	(301) 206 , (301) 237 , (301) 256 , (301) 307 , (301) 310 , (301) 317 , (301) 346 , (301) 356 , (301) 361 , (301) 362 , (301) 369 , (301) 376 , (301) 380 , (301) 395 , (301) 404 , (301) 467 , (301) 470 , (301) 483 , (301) 489 , (301) 490 , (301) 497 , (301) 498 , (301) 531 , (301) 575 , (301) 596 , (301) 602 , (301) 604 , (301) 617 , (301) 621 , (301) 647 , (301) 648 , (301) 706 , (301) 725 , (301) 741 , (301) 758 , (301) 776 , (301) 854 , (301) 875 , (301) 886 , (301) 939 , (301) 953 , (301) 964 , (301) 974
Washington	(301) 223 , (301) 241 , (301) 293 , (301) 302 , (301) 331 , (301) 393 , (301) 416 , (301) 432 , (301) 491 , (301) 573 , (301) 582 , (301) 597 , (301) 660 , (301) 665 , (301) 671 , (301) 678 , (301) 714 , (301) 730 , (301) 733 , (301) 739 , (301) 745 , (301) 766 , (301) 790 , (301) 791 , (301) 797 , (301) 799 , (301) 800 , (301) 824 , (301) 835 , (301) 842 , (301) 857 , (301) 988 , (301) 991 , (301) 992 , (301) 999
Saint Marys	(301) 247 , (301) 259 , (301) 274 , (301) 290 , (301) 342 , (301) 347 , (301) 373 , (301) 392 , (301) 472 , (301) 475 , (301) 481 , (301) 536 , (301) 557 , (301) 609 , (301) 672 , (301) 690 , (301) 737 , (301) 757 , (301) 769 , (301) 826 , (301) 862 , (301) 863 , (301) 866 , (301) 872 , (301) 884 , (301) 888 , (301) 904 , (301) 934 , (301) 994 , (301) 995 , (301) 997
Allegany	(301) 264 , (301) 268 , (301) 338 , (301) 359 , (301) 463 , (301) 478 , (301) 546 , (301) 597 , (301) 678 , (301) 687 , (301) 689 , (301) 697 , (301) 707 , (301) 722 , (301) 723 , (301) 724 , (301) 729 , (301) 759 , (301) 777 , (301) 781 , (301) 783 , (301) 784 , (301) 786 , (301) 793 , (301) 876 , (301) 895
Garrett	(301) 245 , (301) 334 , (301) 359 , (301) 387 , (301) 453 , (301) 501 , (301) 533 , (301) 616 , (301) 746 , (301) 750 , (301) 849 , (301) 895
Baltimore City	(301) 276 , (301) 307 , (301) 342 , (301) 405 , (301) 524 , (301) 547 , (301) 596 , (301) 675 , (301) 732 , (301) 854 , (301) 878
District Of Columbia	(301) 272 , (301) 380 , (301) 457 , (301) 488 , (301) 619
Baltimore	(301) 310 , (301) 329 , (301) 339 , (301) 821 , (301) 837
Carroll	(301) 447 , (301) 845 , (301) 854 , (301) 898
Calvert	(301) 494 , (301) 812 , (301) 855
Alexandria City	(301) 529
Newport News City	(301) 526

Telephone Carriers

Carrier	Type	Prefixes (%)
Verizon Maryland Inc	Landline	76%
Cellco Partnership Dba Verizon Wireless Md	Wireless	4%
New Cingular Wireless Pcs Llc Dc	Wireless	3%
Sprint Spectrum L P	Landline	3%
Teleport Communications America Llc Dc	Landline	2%
Mcimetro Access Transmission Services Llc	Landline	2%
Usa Mobility Wireless Inc	Wireless	1%
At T Local	Landline	1%
Tw Telecom Of Maryland Llc Md	Landline	1%
Comcast Phone Of Northern Maryland Inc Md	Landline	1%
Paetec Communications Inc Md	Landline	1%
Omnipoint Communications Cap Operations Llc	Wireless	1%
Sprint Spectrum L P Md	Wireless	1%
Level 3 Communications Llc Md	Landline	1%
Mci Worldcom Communications Inc Md	Landline	1%
Baltimore Washington Telephone Bwt	Landline	< 1%
Vdl Inc Dba Global Telecom Brokers Md	Landline	< 1%
Core Communications Inc Pa	Landline	< 1%
Teleport Communications America Llc Md	Wireless	< 1%
Xo Maryland Llc	Landline	< 1%
Telcove Operations Inc Md	Landline	< 1%
Ymax Communications Corp Md	Wireless	< 1%
Idt America Corp Md	Landline	< 1%
Cavalier Telephone Mid Atlantic Llc Md	Wireless	< 1%
Virginia Pcs Alliance L C	Wireless	< 1%
Core Communications Inc Md	Landline	< 1%
Bandwidth Com Clec Llc Md	Landline	< 1%
Starpower Communications Llc Md	Landline	< 1%
Mountain Communications Llc Dba Procom Md	Wireless	< 1%
Broadwing Communications Llc Md	Wireless	< 1%
New Frontiers Telecommunications Inc	Landline	< 1%
Quantum Telecommunications Inc Md	Landline	< 1%
Us Lec Of Maryland Inc	Landline	< 1%
Uscoc Of Cumberland Inc Dba United States Cel Md	Wireless	< 1%

Prefixes

Prefix	City	Carrier	Type
(301) 408	Takoma Park	Verizon Maryland, Inc.	Landline
(301) 963	Gaithersburg	Verizon Maryland, Inc.	Landline
(301) 767	Bethesda	Verizon Maryland, Inc.	Landline
(301) 383	Lanham	Comcast Phone of Northern Maryland, Inc. - Md	Landline
(301) 948	Rockville	Verizon Maryland, Inc.	Landline
(301) 602	Laurel	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 686	Oxon Hill	Verizon Maryland, Inc.	Landline
(301) 293	Middletown	Verizon Maryland, Inc.	Landline
(301) 782	Waldorf	Verizon Maryland, Inc.	Landline
(301) 990	Rockville	Verizon Maryland, Inc.	Landline
(301) 296	Rockville	Mci Worldcom Communications, Inc. - Md	Landline
(301) 466	Silver Spring	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 621	Columbia	Verizon Maryland, Inc.	Landline
(301) 300	Bethesda	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 495	Chevy Chase	Verizon Maryland, Inc.	Landline
(301) 913	Bethesda	Verizon Maryland, Inc.	Landline
(301) 862	California	Verizon Maryland, Inc.	Landline
(301) 558	Riverdale	Usa Mobility Wireless, Inc.	Wireless
(301) 994	Leonardtown	Verizon Maryland, Inc.	Landline
(301) 246	Nanjemoy	Verizon Maryland, Inc.	Landline
(301) 343	Laurel	Sprint Spectrum L.p. - Md	Wireless
(301) 688	Fort George G Meade	Verizon Maryland, Inc.	Landline
(301) 414	Clarksburg	Verizon Maryland, Inc.	Landline
(301) 210	Bowie	Verizon Maryland, Inc.	Landline
(301) 702	Fort Washington	Verizon Maryland, Inc.	Landline
(301) 416	Sabillasville	Verizon Maryland, Inc.	Landline
(301) 499	Hyattsville	Verizon Maryland, Inc.	Landline
(301) 347	Lexington Park	Verizon Maryland, Inc.	Landline
(301) 720	Brandywine	Teleport Communications America, Llc - Dc	Landline
(301) 527	Derwood	Verizon Maryland, Inc.	Landline
(301) 362	Jessup	Verizon Maryland, Inc.	Landline
(301) 844	Mount Rainier	Sprint Spectrum L.p.	Landline
(301) 529	Silver Spring	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 350	Hyattsville	Verizon Maryland, Inc.	Landline
(301) 415	Rockville	Verizon Maryland, Inc.	Landline
(301) 679	Silver Spring	Teleport Communications America, Llc - Dc	Landline
(301) 634	Chevy Chase	Teleport Communications America, Llc - Dc	Landline
(301) 899	Suitland	Verizon Maryland, Inc.	Landline
(301) 608	Silver Spring	Verizon Maryland, Inc.	Landline
(301) 820	Gaithersburg	At&t Local	Landline
(301) 428	Poolesville	Verizon Maryland, Inc.	Landline
(301) 905	Silver Spring	Verizon Maryland, Inc.	Landline
(301) 365	Potomac	Verizon Maryland, Inc.	Landline
(301) 332	Silver Spring	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 532	Bladensburg	Verizon Maryland, Inc.	Wireless
(301) 728	Rockville	Omnipoint Communications Cap Operations, Llc	Wireless
(301) 952	Upper Marlboro	Verizon Maryland, Inc.	Landline
(301) 791	Boonsboro	Verizon Maryland, Inc.	Landline
(301) 517	Gaithersburg	Verizon Maryland, Inc.	Landline
(301) 570	Rockville	Verizon Maryland, Inc.	Landline
(301) 454	Riverdale	Verizon Maryland, Inc.	Landline
(301) 536	Leonardtown	Sprint Spectrum L.p.	Wireless
(301) 854	Glenwood	Verizon Maryland, Inc.	Landline
(301) 596	Jessup	Verizon Maryland, Inc.	Landline
(301) 396	Waldorf	Verizon Maryland, Inc.	Landline
(301) 776	Laurel	Verizon Maryland, Inc.	Landline
(301) 946	Garrett Park	Verizon Maryland, Inc.	Landline
(301) 850	Lanham	Level 3 Communications, Llc - Md	Landline
(301) 498	Laurel	Verizon Maryland, Inc.	Landline
(301) 226	Hyattsville	Verizon Maryland, Inc.	Landline
(301) 456	Bowie	Comcast Phone of Northern Maryland, Inc. - Md	Landline
(301) 489	Beltsville	Verizon Maryland, Inc.	Landline
(301) 960	Silver Spring	Mcimetro Access Transmission Services Llc	Landline
(301) 272	Washington	Mcimetro Access Transmission Services Llc	Landline
(301) 245	Swanton	Verizon Maryland, Inc.	Landline
(301) 949	Garrett Park	Verizon Maryland, Inc.	Landline
(301) 480	Chevy Chase	Verizon Maryland, Inc.	Landline
(301) 936	Brentwood		Landline
(301) 477	Beltsville	Comcast Phone of Northern Maryland, Inc. - Md	Landline
(301) 981	Andrews Air Force Base	Tw Telecom of Maryland Llc - Md	Landline
(301) 597	Hagerstown	New Frontiers Telecommunications, Inc.	Landline
(301) 748	New Market	Sprint Spectrum L.p.	Wireless
(301) 906	Chevy Chase	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 889	Galesville	Verizon Maryland, Inc.	Landline
(301) 585	Silver Spring	Verizon Maryland, Inc.	Landline
(301) 806	District Heights	Sprint Spectrum L.p.	Wireless
(301) 904	Leonardtown	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 579	Brandywine	Verizon Maryland, Inc.	Landline
(301) 307	Ellicott City	Verizon Maryland, Inc.	Landline
(301) 261	Deale	Verizon Maryland, Inc.	Landline
(301) 866	Great Mills	Verizon Maryland, Inc.	Landline
(301) 537	Rockville	Sprint Spectrum L.p.	Wireless
(301) 271	Rocky Ridge	Verizon Maryland, Inc.	Landline
(301) 743	Indian Head	Verizon Maryland, Inc.	Landline
(301) 870	Waldorf	Verizon Maryland, Inc.	Landline
(301) 306	Bowie	Verizon Maryland, Inc.	Landline
(301) 349	Barnesville	Verizon Maryland, Inc.	Landline
(301) 874	Point of Rocks	Verizon Maryland, Inc.	Landline
(301) 352	Glenn Dale	Verizon Maryland, Inc.	Landline
(301) 528	Germantown	Verizon Maryland, Inc.	Landline
(301) 490	Columbia	Verizon Maryland, Inc.	Landline
(301) 681	Silver Spring	Verizon Maryland, Inc.	Landline
(301) 223	Sharpsburg	Verizon Maryland, Inc.	Landline
(301) 330	Rockville	Verizon Maryland, Inc.	Landline
(301) 867	Bowie	Mcimetro Access Transmission Services Llc	Landline
(301) 594	Derwood	Verizon Maryland, Inc.	Landline
(301) 375	La Plata	Verizon Maryland, Inc.	Landline
(301) 779	Bladensburg	Verizon Maryland, Inc.	Landline
(301) 572	Beltsville	Verizon Maryland, Inc.	Landline
(301) 978	Derwood	Verizon Maryland, Inc.	Landline
(301) 285	Takoma Park	Verizon Maryland, Inc.	Wireless
(301) 488	Washington	Verizon Maryland, Inc.	Wireless
(301) 519	Rockville	Verizon Maryland, Inc.	Landline
(301) 431	Silver Spring	Verizon Maryland, Inc.	Landline
(301) 316	Suitland	Verizon Maryland, Inc.	Landline
(301) 371	Frederick	Verizon Maryland, Inc.	Landline
(301) 731	Lanham	Verizon Maryland, Inc.	Landline
(301) 705	Waldorf	Verizon Maryland, Inc.	Landline
(301) 253	Monrovia	Verizon Maryland, Inc.	Landline
(301) 614	College Park	Verizon Maryland, Inc.	Landline
(301) 386	Capitol Heights	Verizon Maryland, Inc.	Landline
(301) 360	Frederick	Verizon Maryland, Inc.	Landline
(301) 932	Waldorf	Verizon Maryland, Inc.	Landline
(301) 924	Brookeville	Verizon Maryland, Inc.	Landline
(301) 998	Kensington	Verizon Maryland, Inc.	Landline
(301) 724	Ellerslie	Verizon Maryland, Inc.	Landline
(301) 299	Potomac	Verizon Maryland, Inc.	Landline
(301) 891	Takoma Park	Verizon Maryland, Inc.	Landline
(301) 380	Washington	Verizon Maryland, Inc.	Landline
(301) 483	Columbia	Verizon Maryland, Inc.	Landline
(301) 470	Laurel	Verizon Maryland, Inc.	Landline
(301) 578	Silver Spring	Verizon Maryland, Inc.	Landline
(301) 577	Hyattsville	Verizon Maryland, Inc.	Landline
(301) 645	White Plains	Verizon Maryland, Inc.	Landline
(301) 768	Rockville	Level 3 Communications, Llc - Md	Landline
(301) 745	Boonsboro	Verizon Maryland, Inc.	Landline
(301) 644	Frederick	Verizon Maryland, Inc.	Landline
(301) 412	Kensington	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 629	Bowie	Verizon Maryland, Inc.	Wireless
(301) 680	Silver Spring	Verizon Maryland, Inc.	Landline
(301) 707	Gaithersburg	Uscoc of Cumberland, Inc. Dba United States Cel Md	Wireless
(301) 406	Potomac	Usa Mobility Wireless, Inc.	Wireless
(301) 264	Mount Savage	Verizon Maryland, Inc.	Landline
(301) 933	Silver Spring	Verizon Maryland, Inc.	Landline
(301) 583	Capitol Heights	Verizon Maryland, Inc.	Landline
(301) 442	Kensington	Sprint Spectrum L.p.	Wireless
(301) 863	Lexington Park	Verizon Maryland, Inc.	Landline
(301) 516	Andrews Air Force Base	Verizon Maryland, Inc.	Landline
(301) 534	Chevy Chase	Ymax Communications Corp. - Md	Wireless
(301) 753	Indian Head	Verizon Maryland, Inc.	Landline
(301) 620	Frederick	Verizon Maryland, Inc.	Landline
(301) 486	Greenbelt	Verizon Maryland, Inc.	Landline
(301) 727	Suitland	Baltimore-washington Telephone Bwt	Landline
(301) 398	Derwood	Verizon Maryland, Inc.	Landline
(301) 610	Gaithersburg	Verizon Maryland, Inc.	Landline
(301) 438	Silver Spring	Verizon Maryland, Inc.	Landline
(301) 879	Burtonsville	Verizon Maryland, Inc.	Landline
(301) 934	White Plains	Verizon Maryland, Inc.	Landline
(301) 340	Potomac	Verizon Maryland, Inc.	Landline
(301) 609	Newburg	Verizon Maryland, Inc.	Landline
(301) 837	Windsor Mill	Mcimetro Access Transmission Services Llc	Landline
(301) 377	College Park	Comcast Phone of Northern Maryland, Inc. - Md	Landline
(301) 203	Clinton	Verizon Maryland, Inc.	Landline
(301) 588	Silver Spring	Verizon Maryland, Inc.	Landline
(301) 812	Huntingtown	Verizon Maryland, Inc.	Landline
(301) 432	Rohrersville	Verizon Maryland, Inc.	Landline
(301) 541	Suitland	Teleport Communications America, Llc - Dc	Landline
(301) 590	Potomac	Verizon Maryland, Inc.	Landline
(301) 440	Temple Hills	Sprint Spectrum L.p. - Md	Wireless
(301) 446	Hyattsville	Verizon Maryland, Inc.	Landline
(301) 667	Myersville	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 403	Brentwood	Verizon Maryland, Inc.	Landline
(301) 397	Greenbelt	Verizon Maryland, Inc.	Wireless
(301) 523	Chevy Chase	Sprint Spectrum L.p.	Wireless
(301) 429	Bowie	Verizon Maryland, Inc.	Landline
(301) 433	Bethesda	Verizon Maryland, Inc.	Landline
(301) 805	Bowie	Verizon Maryland, Inc.	Landline
(301) 367	Montgomery Village	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 247	Leonardtown	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 331	Williamsport	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 997	Leonardtown	Verizon Maryland, Inc.	Landline
(301) 860	Lanham	Verizon Maryland, Inc.	Landline
(301) 560	Mount Rainier	Paetec Communications, Inc. - Md	Landline
(301) 303	Hyattsville	Usa Mobility Wireless, Inc.	Wireless
(301) 324	Upper Marlboro	Verizon Maryland, Inc.	Landline
(301) 359	Bloomington	Verizon Maryland, Inc.	Landline
(301) 761	Bethesda	Level 3 Communications, Llc - Md	Landline
(301) 986	Bethesda	Verizon Maryland, Inc.	Landline
(301) 887	Riverdale	Verizon Maryland, Inc.	Landline
(301) 275	Germantown	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 617	Columbia	Verizon Maryland, Inc.	Landline
(301) 206	Savage	Verizon Maryland, Inc.	Landline
(301) 248	Fort Washington	Verizon Maryland, Inc.	Landline
(301) 985	College Park	Verizon Maryland, Inc.	Landline
(301) 628	Silver Spring	Teleport Communications America, Llc - Dc	Landline
(301) 505	Fort Washington	Verizon Maryland, Inc.	Landline
(301) 838	Potomac	Verizon Maryland, Inc.	Landline
(301) 886	Laurel	Verizon Maryland, Inc.	Landline
(301) 927	Brentwood	Verizon Maryland, Inc.	Landline
(301) 479	Beltsville	Mci Worldcom Communications, Inc. - Md	Landline
(301) 463	Lonaconing	Verizon Maryland, Inc.	Landline
(301) 515	Boyds	Verizon Maryland, Inc.	Landline
(301) 809	Glenn Dale	Verizon Maryland, Inc.	Landline
(301) 209	College Park	Verizon Maryland, Inc.	Landline
(301) 457	Washington	Verizon Maryland, Inc.	Landline
(301) 474	Hyattsville	Verizon Maryland, Inc.	Landline
(301) 494	Prince Frederick	Verizon Maryland, Inc.	Landline
(301) 876	Cumberland	Level 3 Communications, Llc - Md	Landline
(301) 273	Silver Spring	Mcimetro Access Transmission Services Llc	Landline
(301) 855	Saint Leonard	Verizon Maryland, Inc.	Landline
(301) 713	Silver Spring	Verizon Maryland, Inc.	Landline
(301) 888	Brandywine	Verizon Maryland, Inc.	Landline
(301) 648	Jessup	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 883	Bowie	Verizon Maryland, Inc.	Landline
(301) 286	Greenbelt	Verizon Maryland, Inc.	Landline
(301) 942	Garrett Park	Verizon Maryland, Inc.	Landline
(301) 929	Rockville	Verizon Maryland, Inc.	Landline
(301) 953	Columbia	Verizon Maryland, Inc.	Landline
(301) 266	Waldorf	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 746	Grantsville	Verizon Maryland, Inc.	Landline
(301) 864	Brentwood	Verizon Maryland, Inc.	Landline
(301) 925	Upper Marlboro	Verizon Maryland, Inc.	Landline
(301) 895	Frostburg	Verizon Maryland, Inc.	Landline
(301) 472	Charlotte Hall	Verizon Maryland, Inc.	Landline
(301) 326	Silver Spring	Omnipoint Communications Cap Operations, Llc	Landline
(301) 458	Suitland	Teleport Communications America, Llc - Dc	Landline
(301) 445	Hyattsville	Verizon Maryland, Inc.	Landline
(301) 568	Suitland	Verizon Maryland, Inc.	Landline
(301) 939	Silver Spring	Verizon Maryland, Inc.	Landline
(301) 497	Laurel	Verizon Maryland, Inc.	Landline
(301) 276	Clinton	Mcimetro Access Transmission Services Llc	Landline
(301) 378	Frederick	Comcast Phone of Northern Maryland, Inc. - Md	Landline
(301) 725	Columbia	Verizon Maryland, Inc.	Landline
(301) 604	Laurel	Verizon Maryland, Inc.	Landline
(301) 961	Bethesda	Verizon Maryland, Inc.	Landline
(301) 336	Bowie	Verizon Maryland, Inc.	Landline
(301) 872	Lexington Park	Verizon Maryland, Inc.	Landline
(301) 656	Bethesda	Verizon Maryland, Inc.	Landline
(301) 796	Greenbelt	Verizon Maryland, Inc.	Landline
(301) 556	Rockville	Teleport Communications America, Llc - Dc	Landline
(301) 539	Port Tobacco	Teleport Communications America, Llc - Dc	Landline
(301) 587	Takoma Park	Verizon Maryland, Inc.	Landline
(301) 808	Hyattsville	Verizon Maryland, Inc.	Landline
(301) 241	Smithsburg	Verizon Maryland, Inc.	Landline
(301) 940	Silver Spring	Verizon Maryland, Inc.	Wireless
(301) 320	Bethesda	Verizon Maryland, Inc.	Landline
(301) 225	Riverdale	Teleport Communications America, Llc - Dc	Wireless
(301) 260	Ashton	Verizon Maryland, Inc.	Landline
(301) 258	Potomac	Verizon Maryland, Inc.	Landline
(301) 317	Jessup	Verizon Maryland, Inc.	Landline
(301) 344	Accokeek	Verizon Maryland, Inc.	Landline
(301) 647	Bowie	Verizon Maryland, Inc.	Wireless
(301) 333	Bowie	Verizon Maryland, Inc.	Landline
(301) 996	College Park	Sprint Spectrum L.p.	Wireless
(301) 921	Montgomery Village	Verizon Maryland, Inc.	Landline
(301) 259	Issue	Verizon Maryland, Inc.	Landline
(301) 434	Takoma Park	Verizon Maryland, Inc.	Landline
(301) 775	Potomac	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 778	District Heights	Mci Worldcom Communications, Inc. - Md	Landline
(301) 459	Bowie	Verizon Maryland, Inc.	Landline
(301) 369	Laurel	Verizon Maryland, Inc.	Landline
(301) 657	Chevy Chase	Verizon Maryland, Inc.	Landline
(301) 666	Lanham	Teleport Communications America, Llc - Dc	Landline
(301) 513	Greenbelt	Verizon Maryland, Inc.	Landline
(301) 967	District Heights	Verizon Maryland, Inc.	Landline
(301) 274	Bryantown	Verizon Maryland, Inc.	Landline
(301) 814	Bethesda	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 467	Columbia	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 478	Little Orleans	Verizon Maryland, Inc.	Landline
(301) 520	Bethesda	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 833	Lanham	Teleport Communications America, Llc - Dc	Landline
(301) 319	Rockville	Verizon Maryland, Inc.	Landline
(301) 975	Potomac	Verizon Maryland, Inc.	Landline
(301) 618	Lanham	Verizon Maryland, Inc.	Landline
(301) 907	Bethesda	Verizon Maryland, Inc.	Landline
(301) 603	Rockville	Verizon Maryland, Inc.	Landline
(301) 455	Bethesda	Sprint Spectrum L.p.	Wireless
(301) 217	Gaithersburg	Verizon Maryland, Inc.	Landline
(301) 395	Laurel	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 402	Bethesda	Verizon Maryland, Inc.	Landline
(301) 314	College Park	Paetec Communications, Inc. - Md	Landline
(301) 564	Bethesda	Verizon Maryland, Inc.	Landline
(301) 962	Rockville	Verizon Maryland, Inc.	Landline
(301) 581	Bethesda	Verizon Maryland, Inc.	Landline
(301) 294	Gaithersburg	Verizon Maryland, Inc.	Landline
(301) 973	Gaithersburg	Verizon Maryland, Inc.	Landline
(301) 601	Germantown	Verizon Maryland, Inc.	Landline
(301) 421	Burtonsville	Verizon Maryland, Inc.	Landline
(301) 857	Clear Spring	Core Communications, Inc. - Md	Landline
(301) 654	Chevy Chase	Verizon Maryland, Inc.	Landline
(301) 372	Waldorf	Verizon Maryland, Inc.	Landline
(301) 580	Bowie	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 439	Silver Spring	Verizon Maryland, Inc.	Landline
(301) 800	Hagerstown	Virginia Pcs Alliance, L.c.	Wireless
(301) 815	Frederick	Verizon Maryland, Inc.	Landline
(301) 792	Hyattsville	Omnipoint Communications Cap Operations, Llc	Wireless
(301) 487	Myersville	Verizon Maryland, Inc.	Landline
(301) 744	Olney	Verizon Maryland, Inc.	Landline
(301) 903	Germantown	Verizon Maryland, Inc.	Landline
(301) 346	Beltsville	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 522	Rockville	Verizon Maryland, Inc.	Wireless
(301) 345	Greenbelt	Verizon Maryland, Inc.	Landline
(301) 281	Temple Hills	Mcimetro Access Transmission Services Llc	Landline
(301) 290	Charlotte Hall	Verizon Maryland, Inc.	Landline
(301) 769	Bushwood	Verizon Maryland, Inc.	Landline
(301) 834	Jefferson	Verizon Maryland, Inc.	Landline
(301) 318	Bethesda	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 675	Baltimore	Omnipoint Communications Cap Operations, Llc	Wireless
(301) 509	Chevy Chase	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 989	Burtonsville	Verizon Maryland, Inc.	Landline
(301) 919	Upper Marlboro	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 970	Crownsville	Verizon Maryland, Inc.	Landline
(301) 420	District Heights	Verizon Maryland, Inc.	Landline
(301) 526	Newport News	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 619	Washington	Verizon Maryland, Inc.	Landline
(301) 430	Bowie	Verizon Maryland, Inc.	Landline
(301) 650	Takoma Park	Verizon Maryland, Inc.	Landline
(301) 784	Cumberland	Verizon Maryland, Inc.	Landline
(301) 218	Upper Marlboro	Verizon Maryland, Inc.	Landline
(301) 683	Brentwood	Teleport Communications America, Llc - Dc	Landline
(301) 819	Silver Spring	Verizon Maryland, Inc.	Wireless
(301) 262	Glenn Dale	Verizon Maryland, Inc.	Landline
(301) 224	Bethesda	Usa Mobility Wireless, Inc.	Wireless
(301) 774	Ashton	Verizon Maryland, Inc.	Landline
(301) 643	Waldorf	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 635	Myersville	New Frontiers Telecommunications, Inc.	Landline
(301) 605	Boyds	Verizon Maryland, Inc.	Landline
(301) 754	Silver Spring	Verizon Maryland, Inc.	Landline
(301) 574	Upper Marlboro	Verizon Maryland, Inc.	Landline
(301) 856	Upper Marlboro	Verizon Maryland, Inc.	Landline
(301) 552	Greenbelt	Verizon Maryland, Inc.	Landline
(301) 341	Capitol Heights	Verizon Maryland, Inc.	Landline
(301) 738	Gaithersburg	Verizon Maryland, Inc.	Landline
(301) 448	Hyattsville	Comcast Phone of Northern Maryland, Inc. - Md	Landline
(301) 465	Frederick	Sprint Spectrum L.p. - Md	Wireless
(301) 898	Union Bridge	Verizon Maryland, Inc.	Landline
(301) 361	Annapolis Junction	Tw Telecom of Maryland Llc - Md	Landline
(301) 391	Monrovia	Verizon Maryland, Inc.	Landline
(301) 659	Waldorf	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 822	Chevy Chase	At&t Local	Landline
(301) 496	Rockville	Verizon Maryland, Inc.	Landline
(301) 780	Upper Marlboro	Verizon Maryland, Inc.	Landline
(301) 423	Fort Washington	Verizon Maryland, Inc.	Landline
(301) 807	Temple Hills	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 813	Bethesda	Baltimore-washington Telephone Bwt	Landline
(301) 798	Mount Airy	Verizon Maryland, Inc.	Landline
(301) 786	Cumberland	Verizon Maryland, Inc.	Landline
(301) 461	Silver Spring	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 353	Damascus	Verizon Maryland, Inc.	Landline
(301) 363	Damascus	Level 3 Communications, Llc - Md	Landline
(301) 912	Fort George G Meade	Verizon Maryland, Inc.	Landline
(301) 839	Oxon Hill	Verizon Maryland, Inc.	Landline
(301) 865	New Market	Verizon Maryland, Inc.	Landline
(301) 521	District Heights	Verizon Maryland, Inc.	Landline
(301) 524	Baltimore	Sprint Spectrum L.p.	Wireless
(301) 737	Lexington Park	Verizon Maryland, Inc.	Landline
(301) 993	Riverdale	Verizon Maryland, Inc.	Wireless
(301) 760	Bethesda	Level 3 Communications, Llc - Md	Landline
(301) 771	Chevy Chase	Verizon Maryland, Inc.	Wireless
(301) 941	Bethesda	Verizon Maryland, Inc.	Landline
(301) 342	California	Verizon Maryland, Inc.	Landline
(301) 387	Swanton	Verizon Maryland, Inc.	Landline
(301) 721	Rockville	Verizon Maryland, Inc.	Landline
(301) 896	Bethesda	Verizon Maryland, Inc.	Landline
(301) 699	Hyattsville	Verizon Maryland, Inc.	Landline
(301) 759	Cumberland	Verizon Maryland, Inc.	Landline
(301) 795	Rockville	Mcimetro Access Transmission Services Llc	Landline
(301) 270	Hyattsville	Verizon Maryland, Inc.	Landline
(301) 424	Potomac	Verizon Maryland, Inc.	Landline
(301) 923	Bladensburg	Verizon Maryland, Inc.	Wireless
(301) 240	Gaithersburg	Verizon Maryland, Inc.	Landline
(301) 982	Greenbelt	Verizon Maryland, Inc.	Landline
(301) 971	Temple Hills	Starpower Communications, Llc - Md	Landline
(301) 783	Brandywine	New Frontiers Telecommunications, Inc.	Landline
(301) 231	Rockville	Verizon Maryland, Inc.	Landline
(301) 282	Bowie	Verizon Maryland, Inc.	Landline
(301) 443	Takoma Park	Verizon Maryland, Inc.	Landline
(301) 741	Laurel	Level 3 Communications, Llc - Md	Landline
(301) 918	Riverdale	Verizon Maryland, Inc.	Landline
(301) 734	Riverdale	Verizon Maryland, Inc.	Landline
(301) 582	Clear Spring	Verizon Maryland, Inc.	Landline
(301) 504	Beltsville	Verizon Maryland, Inc.	Landline
(301) 663	Frederick	Verizon Maryland, Inc.	Landline
(301) 954	Mount Rainier		Landline
(301) 937	Beltsville	Verizon Maryland, Inc.	Landline
(301) 484	Mount Rainier	Comcast Phone of Northern Maryland, Inc. - Md	Landline
(301) 630	Fort Washington	Verizon Maryland, Inc.	Landline
(301) 220	Hyattsville	Verizon Maryland, Inc.	Landline
(301) 685	Clarksburg	Teleport Communications America, Llc - Dc	Landline
(301) 718	Bethesda	Verizon Maryland, Inc.	Landline
(301) 243	Bethesda	Verizon Maryland, Inc.	Landline
(301) 639	Frederick	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 704	Silver Spring	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 719	Andrews Air Force Base	Teleport Communications America, Llc - Dc	Landline
(301) 882	New Market	Core Communications, Inc. - Md	Landline
(301) 309	Potomac	Verizon Maryland, Inc.	Landline
(301) 790	Maugansville	Verizon Maryland, Inc.	Landline
(301) 947	Rockville	Verizon Maryland, Inc.	Landline
(301) 370	Rockville	Sprint Spectrum L.p. - Md	Wireless
(301) 407	Poolesville	Verizon Maryland, Inc.	Landline
(301) 368	Clarksburg	Verizon Maryland, Inc.	Landline
(301) 451	Bowie	Verizon Maryland, Inc.	Landline
(301) 988	Hagerstown	Uscoc of Cumberland, Inc. Dba United States Cel Md	Wireless
(301) 208	Derwood	Verizon Maryland, Inc.	Landline
(301) 292	Accokeek	Verizon Maryland, Inc.	Landline
(301) 846	Frederick	Verizon Maryland, Inc.	Landline
(301) 622	Silver Spring	Verizon Maryland, Inc.	Landline
(301) 658	Brinklow	Teleport Communications America, Llc - Dc	Landline
(301) 712	Frederick	Mcimetro Access Transmission Services Llc	Landline
(301) 636	Hyattsville	Verizon Maryland, Inc.	Landline
(301) 977	Derwood	Verizon Maryland, Inc.	Landline
(301) 554	Bethesda	Usa Mobility Wireless, Inc.	Wireless
(301) 453	Kitzmiller	Verizon Maryland, Inc.	Landline
(301) 277	Bladensburg	Verizon Maryland, Inc.	Landline
(301) 232	Brinklow	Mcimetro Access Transmission Services Llc	Landline
(301) 641	Upper Marlboro	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 606	Frederick	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 662	Frederick	Verizon Maryland, Inc.	Landline
(301) 651	Lanham	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 473	Jefferson	Verizon Maryland, Inc.	Landline
(301) 739	Hagerstown	Verizon Maryland, Inc.	Landline
(301) 972	Dickerson	Verizon Maryland, Inc.	Landline
(301) 404	Hyattsville	Sprint Spectrum L.p.	Wireless
(301) 591	Gaithersburg	Paetec Communications, Inc. - Md	Landline
(301) 859	Fort Washington	Level 3 Communications, Llc - Md	Landline
(301) 234	Clinton	Verizon Maryland, Inc.	Landline
(301) 213	Bowie	Sprint Spectrum L.p.	Wireless
(301) 723	Cumberland	Verizon Maryland, Inc.	Landline
(301) 824	Hagerstown	Verizon Maryland, Inc.	Landline
(301) 251	Derwood	Verizon Maryland, Inc.	Landline
(301) 390	Glenn Dale	Verizon Maryland, Inc.	Landline
(301) 405	Silver Spring	Paetec Communications, Inc. - Md	Landline
(301) 249	Upper Marlboro	Verizon Maryland, Inc.	Landline
(301) 991	Williamsport	Sprint Spectrum L.p. - Md	Wireless
(301) 836	Oxon Hill	Verizon Maryland, Inc.	Landline
(301) 751	Waldorf	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 708	College Park	Cavalier Telephone Mid-atlantic, Llc - Md	Wireless
(301) 674	Odenton	Sprint Spectrum L.p.	Wireless
(301) 447	Emmitsburg	Verizon Maryland, Inc.	Landline
(301) 268	Cumberland	Uscoc of Cumberland, Inc. Dba United States Cel Md	Wireless
(301) 764	Waldorf	Verizon Maryland, Inc.	Landline
(301) 968	Bethesda	Mci Worldcom Communications, Inc. - Md	Landline
(301) 229	Cabin John	Verizon Maryland, Inc.	Landline
(301) 801	Silver Spring	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 548	Derwood	Verizon Maryland, Inc.	Landline
(301) 827	Rockville	Verizon Maryland, Inc.	Landline
(301) 295	Rockville	Verizon Maryland, Inc.	Landline
(301) 593	Silver Spring	Verizon Maryland, Inc.	Landline
(301) 717	District Heights	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 689	Eckhart Mines	Verizon Maryland, Inc.	Landline
(301) 845	Walkersville	Verizon Maryland, Inc.	Landline
(301) 212	Derwood	Verizon Maryland, Inc.	Landline
(301) 682	Frederick	Verizon Maryland, Inc.	Landline
(301) 762	Rockville	Verizon Maryland, Inc.	Landline
(301) 263	Cabin John	Verizon Maryland, Inc.	Landline
(301) 227	Bethesda	Verizon Maryland, Inc.	Landline
(301) 627	Upper Marlboro	Verizon Maryland, Inc.	Landline
(301) 283	Bryans Road	Verizon Maryland, Inc.	Landline
(301) 252	Silver Spring	Sprint Spectrum L.p. - Md	Wireless
(301) 329	Monkton	Cavalier Telephone Mid-atlantic, Llc - Md	Wireless
(301) 817	Capitol Heights	Verizon Maryland, Inc.	Landline
(301) 419	Silver Spring	Verizon Maryland, Inc.	Landline
(301) 773	Hyattsville	Verizon Maryland, Inc.	Landline
(301) 691	Poolesville	Teleport Communications America, Llc - Dc	Landline
(301) 476	Silver Spring	Verizon Maryland, Inc.	Landline
(301) 562	Silver Spring	Verizon Maryland, Inc.	Landline
(301) 742	Fort Washington	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 449	Fort Washington	Verizon Maryland, Inc.	Landline
(301) 255	Potomac	Verizon Maryland, Inc.	Landline
(301) 931	Beltsville	Verizon Maryland, Inc.	Landline
(301) 914	College Park	Mountain Communications, Llc Dba Procom - Md	Wireless
(301) 376	Laurel	Verizon Maryland, Inc.	Wireless
(301) 902	Beltsville	Verizon Maryland, Inc.	Landline
(301) 881	Rockville	Verizon Maryland, Inc.	Landline
(301) 452	Rockville	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 910	Bethesda	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 358	Upper Marlboro	Level 3 Communications, Llc - Md	Landline
(301) 687	Frostburg	Verizon Maryland, Inc.	Landline
(301) 893	Hughesville	Verizon Maryland, Inc.	Landline
(301) 926	Rockville	Verizon Maryland, Inc.	Landline
(301) 389	Laurel	Tw Telecom of Maryland Llc - Md	Landline
(301) 417	Derwood	Verizon Maryland, Inc.	Landline
(301) 722	Ellerslie	Verizon Maryland, Inc.	Landline
(301) 995	Patuxent River	Verizon Maryland, Inc.	Landline
(301) 869	Rockville	Verizon Maryland, Inc.	Landline
(301) 897	Kensington	Verizon Maryland, Inc.	Landline
(301) 297	Clinton	Verizon Maryland, Inc.	Landline
(301) 965	Fort Washington	Mcimetro Access Transmission Services Llc	Landline
(301) 749	Oxon Hill	Verizon Maryland, Inc.	Landline
(301) 714	Boonsboro	Verizon Maryland, Inc.	Landline
(301) 672	Great Mills	Sprint Spectrum L.p.	Wireless
(301) 547	Baltimore	Teleport Communications America, Llc - Dc	Landline
(301) 612	Brinklow	Teleport Communications America, Llc - Md	Wireless
(301) 788	Frederick	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 214	Rockville	Verizon Maryland, Inc.	Landline
(301) 236	Burtonsville	Verizon Maryland, Inc.	Landline
(301) 799	Keedysville	Core Communications, Inc. - Md	Landline
(301) 312	Bethesda	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 493	Kensington	Verizon Maryland, Inc.	Landline
(301) 399	Waldorf	Sprint Spectrum L.p.	Wireless
(301) 875	Laurel	Cellco Partnership Dba Verizon Wireless - Md	Landline
(301) 233	Silver Spring	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 842	Clear Spring	Verizon Maryland, Inc.	Landline
(301) 462	Myersville	Sprint Spectrum L.p. - Md	Wireless
(301) 832	Mount Rainier	At&t Local	Landline
(301) 475	Compton	Verizon Maryland, Inc.	Landline
(301) 279	Potomac	Verizon Maryland, Inc.	Landline
(301) 308	Riverdale	Usa Mobility Wireless, Inc.	Wireless
(301) 492	Chevy Chase	Verizon Maryland, Inc.	Landline
(301) 951	Bethesda	Verizon Maryland, Inc.	Landline
(301) 797	Maugansville	Verizon Maryland, Inc.	Landline
(301) 205	Edgewater	Verizon Maryland, Inc.	Landline
(301) 964	Columbia	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 943	Bethesda	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 709	Riverdale	Usa Mobility Wireless, Inc.	Wireless
(301) 313	Riverdale	Verizon Maryland, Inc.	Landline
(301) 922	Potomac	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 222	Bethesda	Cavalier Telephone Mid-atlantic, Llc - Md	Landline
(301) 219	Chevy Chase	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 615	College Park	Verizon Maryland, Inc.	Wireless
(301) 829	Mount Airy	Verizon Maryland, Inc.	Landline
(301) 916	Germantown	Verizon Maryland, Inc.	Landline
(301) 701	Silver Spring	Verizon Maryland, Inc.	Wireless
(301) 506	College Park	Usa Mobility Wireless, Inc.	Wireless
(301) 298	Upper Marlboro	Mcimetro Access Transmission Services Llc	Landline
(301) 267	Riverdale	Sprint Spectrum L.p.	Wireless
(301) 254	Silver Spring	Sprint Spectrum L.p.	Wireless
(301) 823	Greenbelt	At&t Local	Landline
(301) 284	Bethesda	Mcimetro Access Transmission Services Llc	Landline
(301) 291	Hyattsville	Mcimetro Access Transmission Services Llc	Landline
(301) 392	White Plains	Verizon Maryland, Inc.	Landline
(301) 781	Frostburg	New Frontiers Telecommunications, Inc.	Landline
(301) 878	Baltimore	Verizon Maryland, Inc.	Landline
(301) 999	Hagerstown		Wireless
(301) 843	White Plains	Verizon Maryland, Inc.	Landline
(301) 394	Suitland	Verizon Maryland, Inc.	Landline
(301) 966	Silver Spring	Mcimetro Access Transmission Services Llc	Landline
(301) 200	Indian Head	Bandwidth.com Clec, Llc - Md	Landline
(301) 756	Laurel	Tw Telecom of Maryland Llc - Md	Landline
(301) 853	Hyattsville	Verizon Maryland, Inc.	Landline
(301) 664	Chevy Chase	Verizon Maryland, Inc.	Landline
(301) 715	Lothian	Teleport Communications America, Llc - Dc	Landline
(301) 652	Bethesda	Verizon Maryland, Inc.	Landline
(301) 355	Gaithersburg	Verizon Maryland, Inc.	Landline
(301) 571	Kensington	Verizon Maryland, Inc.	Landline
(301) 858	Annapolis	Verizon Maryland, Inc.	Landline
(301) 793	Laurel	Omnipoint Communications Cap Operations, Llc	Wireless
(301) 804	Ashton	Mcimetro Access Transmission Services Llc	Landline
(301) 464	Glenn Dale	Verizon Maryland, Inc.	Landline
(301) 507	Suitland	Verizon Maryland, Inc.	Landline
(301) 957	Laurel	Mcimetro Access Transmission Services Llc	Landline
(301) 884	Mechanicsville	Verizon Maryland, Inc.	Landline
(301) 733	Maugansville	Verizon Maryland, Inc.	Landline
(301) 469	Potomac	Verizon Maryland, Inc.	Landline
(301) 599	Upper Marlboro	Verizon Maryland, Inc.	Landline
(301) 242	Rockville	Mcimetro Access Transmission Services Llc	Landline
(301) 831	Mount Airy	Verizon Maryland, Inc.	Landline
(301) 441	Greenbelt	Verizon Maryland, Inc.	Landline
(301) 607	Mount Airy	Verizon Maryland, Inc.	Landline
(301) 216	Derwood	Verizon Maryland, Inc.	Landline
(301) 755	Silver Spring	Mci Worldcom Communications, Inc. - Md	Landline
(301) 215	Bethesda	Verizon Maryland, Inc.	Landline
(301) 908	Upper Marlboro	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 337	Gaithersburg	Mci Worldcom Communications, Inc. - Md	Landline
(301) 825	Rockville	At&t Local	Landline
(301) 323	Laurel	Tw Telecom of Maryland Llc - Md	Landline
(301) 540	Germantown	Verizon Maryland, Inc.	Landline
(301) 750	Mc Henry	Core Communications, Inc. - Md	Landline
(301) 436	Riverdale	Verizon Maryland, Inc.	Landline
(301) 987	Derwood	Verizon Maryland, Inc.	Landline
(301) 840	Derwood	Verizon Maryland, Inc.	Landline
(301) 584	Rockville	Baltimore-washington Telephone Bwt	Landline
(301) 595	Beltsville	Verizon Maryland, Inc.	Landline
(301) 567	Fort Washington	Verizon Maryland, Inc.	Landline
(301) 695	Frederick	Verizon Maryland, Inc.	Landline
(301) 892	Mount Rainier	Verizon Maryland, Inc.	Landline
(301) 821	Beltsville	At&t Local	Landline
(301) 207	Glenn Dale	Usa Mobility Wireless, Inc.	Wireless
(301) 930	Beltsville	Verizon Maryland, Inc.	Wireless
(301) 901	Greenbelt	Verizon Maryland, Inc.	Landline
(301) 678	Hancock	Verizon Maryland, Inc.	Landline
(301) 646	Chevy Chase	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 732	Baltimore	Sprint Spectrum L.p.	Wireless
(301) 740	Montgomery Village	Verizon Maryland, Inc.	Landline
(301) 501	Oakland	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 670	Rockville	Verizon Maryland, Inc.	Landline
(301) 772	Lanham	Verizon Maryland, Inc.	Landline
(301) 289	Chevy Chase	Mcimetro Access Transmission Services Llc	Landline
(301) 785	Gaithersburg	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 502	Silver Spring	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 460	Rockville	Verizon Maryland, Inc.	Landline
(301) 549	Burtonsville	Verizon Maryland, Inc.	Landline
(301) 757	Patuxent River	Verizon Maryland, Inc.	Landline
(301) 758	Jessup	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 766	Hagerstown	Verizon Maryland, Inc.	Landline
(301) 736	Upper Marlboro	Verizon Maryland, Inc.	Landline
(301) 777	Cumberland	Verizon Maryland, Inc.	Landline
(301) 642	Gaithersburg	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 770	Rockville	Verizon Maryland, Inc.	Landline
(301) 531	Lanham	Starpower Communications, Llc - Md	Landline
(301) 471	Frederick	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 221	Laurel	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 729	Cumberland	Verizon Maryland, Inc.	Landline
(301) 974	Laurel	Starpower Communications, Llc - Md	Landline
(301) 339	Towson	Cavalier Telephone Mid-atlantic, Llc - Md	Landline
(301) 624	Frederick	Verizon Maryland, Inc.	Landline
(301) 763	District Heights	Verizon Maryland, Inc.	Landline
(301) 373	Hollywood	Verizon Maryland, Inc.	Landline
(301) 818	Gaithersburg	Verizon Maryland, Inc.	Landline
(301) 388	Silver Spring	Verizon Maryland, Inc.	Landline
(301) 482	Clarksburg	Verizon Maryland, Inc.	Landline
(301) 278	District Heights	Mcimetro Access Transmission Services Llc	Landline
(301) 640	Montgomery Village	Verizon Maryland, Inc.	Landline
(301) 956	Rockville	Verizon Maryland, Inc.	Landline
(301) 668	Frederick	Verizon Maryland, Inc.	Landline
(301) 409	Millersville	Usa Mobility Wireless, Inc.	Wireless
(301) 698	Frederick	Verizon Maryland, Inc.	Landline
(301) 803	Rockville	Verizon Maryland, Inc.	Landline
(301) 265	Fort Washington	Verizon Maryland, Inc.	Landline
(301) 752	Indian Head	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 633	Frederick	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 600	Frederick	Verizon Maryland, Inc.	Landline
(301) 321	Rockville	Telcove Operations, Inc. - Md	Landline
(301) 661	Bethesda	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 616	Oakland	Uscoc of Cumberland, Inc. Dba United States Cel Md	Wireless
(301) 228	Frederick	Verizon Maryland, Inc.	Landline
(301) 545	Potomac	Verizon Maryland, Inc.	Landline
(301) 665	Boonsboro	Verizon Maryland, Inc.	Landline
(301) 425	Laurel	Verizon Maryland, Inc.	Wireless
(301) 676	Brunswick	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 669	Capitol Heights	Verizon Maryland, Inc.	Landline
(301) 851	Riverdale	Verizon Maryland, Inc.	Landline
(301) 566	Laurel	Verizon Maryland, Inc.	Wireless
(301) 880	Beltsville	Level 3 Communications, Llc - Md	Landline
(301) 230	Rockville	Verizon Maryland, Inc.	Landline
(301) 305	Bethesda	Sprint Spectrum L.p.	Wireless
(301) 418	Frederick	Verizon Maryland, Inc.	Landline
(301) 847	Burtonsville	Verizon Maryland, Inc.	Landline
(301) 890	Silver Spring	Verizon Maryland, Inc.	Landline
(301) 322	Lanham	Verizon Maryland, Inc.	Landline
(301) 444	Damascus	Verizon Maryland, Inc.	Landline
(301) 544	Rockville	Verizon Maryland, Inc.	Wireless
(301) 794	Lanham	Verizon Maryland, Inc.	Landline
(301) 980	Frederick	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 586	Silver Spring	Verizon Maryland, Inc.	Landline
(301) 543	Laurel	Teleport Communications America, Llc - Dc	Landline
(301) 366	Bowie	Sprint Spectrum L.p. - Md	Landline
(301) 945	Rockville	Mcimetro Access Transmission Services Llc	Landline
(301) 816	Rockville	Verizon Maryland, Inc.	Landline
(301) 239	Riverdale	Verizon Maryland, Inc.	Wireless
(301) 351	Gaithersburg	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 354	Potomac	Teleport Communications America, Llc - Dc	Landline
(301) 637	Waldorf	Level 3 Communications, Llc - Md	Landline
(301) 900
(301) 426	Suitland	Verizon Maryland, Inc.	Wireless
(301) 257	Kensington	Sprint Spectrum L.p.	Wireless
(301) 877	Upper Marlboro	Verizon Maryland, Inc.	Landline
(301) 563	Silver Spring	Verizon Maryland, Inc.	Landline
(301) 542	Waldorf	Teleport Communications America, Llc - Dc	Landline
(301) 789	Mount Rainier	Core Communications, Inc. - Pa	Landline
(301) 944	Rockville	Mcimetro Access Transmission Services Llc	Landline
(301) 638	White Plains	Verizon Maryland, Inc.	Landline
(301) 304	Frederick	Comcast Phone of Northern Maryland, Inc. - Md	Landline
(301) 969	Brunswick	Comcast Phone of Northern Maryland, Inc. - Md	Landline
(301) 917	Germantown	Starpower Communications, Llc - Md	Landline
(301) 310	Columbia	Verizon Maryland, Inc.	Landline
(301) 244	Damascus	Telcove Operations, Inc. - Md	Landline
(301) 810	Monrovia	At&t Local	Landline
(301) 385	Frederick	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 374	White Plains	Verizon Maryland, Inc.	Landline
(301) 510	Silver Spring	Usa Mobility Wireless, Inc.	Wireless
(301) 538	Rockville	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 557	Mechanicsville	Broadwing Communications. Llc - Md	Wireless
(301) 287	Rockville	Mcimetro Access Transmission Services Llc	Landline
(301) 530	Kensington	Verizon Maryland, Inc.	Landline
(301) 920	Silver Spring	Starpower Communications, Llc - Md	Landline
(301) 835	Hagerstown		Wireless
(301) 256	Clarksburg	Mcimetro Access Transmission Services Llc	Landline
(301) 694	Frederick	Verizon Maryland, Inc.	Landline
(301) 735	Upper Marlboro	Verizon Maryland, Inc.	Landline
(301) 525	Montgomery Village	Quantum Telecommunications, Inc. - Md	Landline
(301) 589	Silver Spring	Verizon Maryland, Inc.	Landline
(301) 237	Laurel	Sprint Spectrum L.p.	Wireless
(301) 852	College Park	Verizon Maryland, Inc.	Landline
(301) 435	Rockville	Verizon Maryland, Inc.	Landline
(301) 928	Waldorf	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 871	Rockville	Verizon Maryland, Inc.	Landline
(301) 533	Oakland	Verizon Maryland, Inc.	Landline
(301) 696	Frederick	Verizon Maryland, Inc.	Landline
(301) 592	Silver Spring	Verizon Maryland, Inc.	Landline
(301) 379	Silver Spring	Sprint Spectrum L.p.	Wireless
(301) 631	Frederick	Verizon Maryland, Inc.	Landline
(301) 356	Laurel	Vdl, Inc. Dba Global Telecom Brokers - Md	Landline
(301) 382	Rockville	Verizon Maryland, Inc.	Wireless
(301) 491	Hagerstown	Uscoc of Cumberland, Inc. Dba United States Cel Md	Wireless
(301) 413	Rockville	Verizon Maryland, Inc.	Landline
(301) 787	Silver Spring	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 565	Silver Spring	Verizon Maryland, Inc.	Landline
(301) 894	Fort Washington	Verizon Maryland, Inc.	Landline
(301) 706	Laurel	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 338	Cumberland	Idt America Corp - Md	Landline
(301) 468	Rockville	Verizon Maryland, Inc.	Landline
(301) 868	Upper Marlboro	Verizon Maryland, Inc.	Landline
(301) 747	Fort Washington	Teleport Communications America, Llc - Dc	Landline
(301) 626	Silver Spring	Verizon Maryland, Inc.	Wireless
(301) 623	Beltsville	Teleport Communications America, Llc - Dc	Landline
(301) 938	Silver Spring	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 280	Bethesda	Verizon Maryland, Inc.	Landline
(301) 485	Fort Washington	Comcast Phone of Northern Maryland, Inc. - Md	Landline
(301) 983	Potomac	Verizon Maryland, Inc.	Landline
(301) 204	Bethesda	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 841	Suitland	Mcimetro Access Transmission Services Llc	Landline
(301) 384	Burtonsville	Verizon Maryland, Inc.	Landline
(301) 861	Waldorf	Level 3 Communications, Llc - Md	Landline
(301) 830	Silver Spring	At&t Local	Landline
(301) 535	Waldorf	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 613	Laurel	Sprint Spectrum L.p.	Wireless
(301) 671	Hagerstown	New Frontiers Telecommunications, Inc.	Landline
(301) 348	Bethesda	Mci Worldcom Communications, Inc. - Md	Landline
(301) 655	Gaithersburg	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 576	Silver Spring	Paetec Communications, Inc. - Md	Landline
(301) 915	Germantown	Starpower Communications, Llc - Md	Landline
(301) 508	Myersville	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 703	Mount Airy	Level 3 Communications, Llc - Md	Landline
(301) 660	Keedysville	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 765	Potomac	Verizon Maryland, Inc.	Landline
(301) 512	Silver Spring	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 690	Leonardtown	Idt America Corp - Md	Landline
(301) 250	Gaithersburg	Mcimetro Access Transmission Services Llc	Landline
(301) 437	Laurel	Sprint Spectrum L.p.	Wireless
(301) 692	Silver Spring	Teleport Communications America, Llc - Dc	Landline
(301) 422	Hyattsville	Verizon Maryland, Inc.	Landline
(301) 325	Silver Spring	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 984	Kensington	Verizon Maryland, Inc.	Landline
(301) 598	Silver Spring	Verizon Maryland, Inc.	Landline
(301) 885	Waldorf	Verizon Maryland, Inc.	Landline
(301) 559	Hyattsville	Verizon Maryland, Inc.	Landline
(301) 575	Columbia	Us Lec of Maryland, Inc.	Landline
(301) 315	Gaithersburg	Verizon Maryland, Inc.	Landline
(301) 826	Great Mills	Verizon Maryland, Inc.	Landline
(301) 235	Clinton	Mcimetro Access Transmission Services Llc	Landline
(301) 561	Silver Spring	Baltimore-washington Telephone Bwt	Landline
(301) 992	Silver Spring	Sprint Spectrum L.p. - Md	Wireless
(301) 955	Beltsville	Mcimetro Access Transmission Services Llc	Landline
(301) 400	Bethesda	Verizon Maryland, Inc.	Landline
(301) 481	Mechanicsville	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 238	Suitland	Verizon Maryland, Inc.	Landline
(301) 677	Fort George G Meade	Teleport Communications America, Llc - Dc	Landline
(301) 673	Frederick	New Frontiers Telecommunications, Inc.	Landline
(301) 269	Clarksburg	Usa Mobility Wireless, Inc.	Wireless
(301) 302	Hagerstown	Sprint Spectrum L.p. - Md	Landline
(301) 979	Gaithersburg	Verizon Maryland, Inc.	Landline
(301) 569	Gaithersburg	Cellco Partnership Dba Verizon Wireless - Md	Landline
(301) 393	Hagerstown	Verizon Maryland, Inc.	Landline
(301) 828	Bethesda	At&t Local	Landline
(301) 976	Capitol Heights	Baltimore-washington Telephone Bwt
(301) 935	College Park	Verizon Maryland, Inc.	Landline
(301) 500	Bethesda	Xo Maryland, Llc	Landline
(301) 649	Silver Spring	Verizon Maryland, Inc.	Landline
(301) 551	Bethesda	Baltimore-washington Telephone Bwt	Landline
(301) 546	Cumberland	Usa Mobility Wireless, Inc.	Wireless
(301) 401	Thurmont	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 632	Waldorf	Verizon Maryland, Inc.	Landline
(301) 335	Mount Airy	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 710	Waldorf	Level 3 Communications, Llc - Md	Landline
(301) 684	Indian Head	Teleport Communications America, Llc - Dc	Landline
(301) 202	Bethesda	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 427	Silver Spring	Verizon Maryland, Inc.	Landline
(301) 909	Hyattsville	Mcimetro Access Transmission Services Llc	Landline
(301) 697	Cumberland	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 334	Oakland	Verizon Maryland, Inc.	Landline
(301) 328	Silver Spring	Comcast Phone of Northern Maryland, Inc. - Md	Landline
(301) 693	Frederick	Omnipoint Communications Cap Operations, Llc	Wireless
(301) 625	Silver Spring	Verizon Maryland, Inc.	Landline
(301) 848	Ashton	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 716	Laurel	Verizon Maryland, Inc.	Wireless
(301) 357	Silver Spring	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 518	Potomac	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 514	Frederick	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 653	La Plata	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 873	Walkersville	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 573	Hagerstown	Sprint Spectrum L.p. - Md	Wireless
(301) 503	Chevy Chase	New Cingular Wireless Pcs, Llc - Dc	Wireless
(301) 553	Waldorf	Usa Mobility Wireless, Inc.	Wireless
(301) 802	Davidsonville	Cellco Partnership Dba Verizon Wireless - Md	Wireless
(301) 364	Lanham	Mci Worldcom Communications, Inc. - Md	Landline
(301) 327	Upper Marlboro	Comcast Phone of Northern Maryland, Inc. - Md	Landline
(301) 288	Rockville	Mcimetro Access Transmission Services Llc	Landline
(301) 849	Oakland	New Frontiers Telecommunications, Inc.	Landline
(301) 730	Hagerstown	New Cingular Wireless Pcs, Llc - Dc	Wireless