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Browse Phone Numbers by Prefix
Our database includes 678 area code 301 prefixes with phone numbers:
| Prefix | Company | Rate Center |
|---|---|---|
| 301-202 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSHNGTNZN2 |
| 301-203 | VERIZON MARYLAND, INC. | WSHNGTNZN6 |
| 301-204 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSHNGTNZN2 |
| 301-206 | VERIZON MARYLAND, INC. | WSNG236Z13 |
| 301-208 | VERIZON MARYLAND, INC. | GAITHERSBG |
| 301-209 | VERIZON MARYLAND, INC. | WSHNGTNZN4 |
| 301-210 | VERIZON MARYLAND, INC. | LAUREL236 |
| 301-212 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-213 | SPRINT SPECTRUM, L.P. | WSHNGTNZN3 |
| 301-214 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-215 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-216 | VERIZON MARYLAND, INC. | GAITHERSBG |
| 301-217 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-218 | VERIZON MARYLAND, INC. | WSNG236Z14 |
| 301-219 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSHNGTNZN2 |
| 301-220 | VERIZON MARYLAND, INC. | WSNG236Z13 |
| 301-221 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSHNGTNZN2 |
| 301-222 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | WSHNGTNZN2 |
| 301-223 | VERIZON MARYLAND, INC. | WILLIAMSPT |
| 301-226 | VERIZON MARYLAND, INC. | WSHNGTNZN4 |
| 301-228 | VERIZON MARYLAND, INC. | FREDERICK |
| 301-229 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-230 | VERIZON MARYLAND, INC. | WSNGTNZN11 |
| 301-231 | VERIZON MARYLAND, INC. | WSNGTNZN11 |
| 301-232 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | ASHTON236 |
| 301-233 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN3 |
| 301-236 | VERIZON MARYLAND, INC. | WSNGTNZN12 |
| 301-237 | SPRINT SPECTRUM, L.P. | WSHNGTNZN3 |
| 301-240 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-241 | VERIZON MARYLAND, INC. | HIGHFIELD |
| 301-242 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | BRANDYWINE |
| 301-244 | PAETEC COMMUNICATIONS, INC. - MD | WSHNGTNZN3 |
| 301-245 | VERIZON MARYLAND, INC. | BITTINGER |
| 301-246 | VERIZON MARYLAND, INC. | NANJEMOY |
| 301-247 | NEW CINGULAR WIRELESS PCS, LLC - DC | LEONARDTN |
| 301-248 | VERIZON MARYLAND, INC. | WSHNGTNZN6 |
| 301-249 | VERIZON MARYLAND, INC. | WSNG236Z14 |
| 301-250 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | GAITHERSBG |
| 301-251 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-252 | SPRINT SPECTRUM, L.P. | GAITHERSBG |
| 301-253 | VERIZON MARYLAND, INC. | DAMASCS236 |
| 301-254 | SPRINT SPECTRUM, L.P. | WSHNGTNZN3 |
| 301-255 | VERIZON MARYLAND, INC. | WSNGTNZN11 |
| 301-256 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | LAUREL236 |
| 301-257 | SPRINT SPECTRUM, L.P. | WSHNGTNZN3 |
| 301-258 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-259 | VERIZON MARYLAND, INC. | TOMPKINSVL |
| 301-260 | VERIZON MARYLAND, INC. | ASHTON236 |
| 301-261 | VERIZON MARYLAND, INC. | WSNG238Z14 |
| 301-262 | VERIZON MARYLAND, INC. | WSNG236Z14 |
| 301-263 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-264 | VERIZON MARYLAND, INC. | MT SAVAGE |
| 301-266 | NEW CINGULAR WIRELESS PCS, LLC - DC | WALDORF |
| 301-267 | SPRINT SPECTRUM, L.P. | WSHNGTNZN3 |
| 301-268 | USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD | CUMBERLAND |
| 301-270 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-271 | VERIZON MARYLAND, INC. | THURMONT |
| 301-272 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | WSHNGTNZN2 |
| 301-273 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | WSHNGTNZN3 |
| 301-274 | VERIZON MARYLAND, INC. | HUGHESVL |
| 301-275 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSHNGTNZN2 |
| 301-276 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | WSHNGTNZN4 |
| 301-277 | VERIZON MARYLAND, INC. | WSHNGTNZN4 |
| 301-278 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | WSHNGTNZN5 |
| 301-279 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-280 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-281 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | WSHNGTNZN6 |
| 301-282 | VERIZON MARYLAND, INC. | WSNGTNZN12 |
| 301-283 | VERIZON MARYLAND, INC. | WSHNGTNZN6 |
| 301-284 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | WSNGTNZN10 |
| 301-286 | VERIZON MARYLAND, INC. | WSNG236Z13 |
| 301-287 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | WSNGTNZN11 |
| 301-288 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | WSNGTNZN12 |
| 301-289 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | WSNG236Z13 |
| 301-290 | VERIZON MARYLAND, INC. | MECHANCSVL |
| 301-291 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | WSNG236Z14 |
| 301-292 | VERIZON MARYLAND, INC. | WSHNGTNZN6 |
| 301-293 | VERIZON MARYLAND, INC. | MYERSVILLE |
| 301-294 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-295 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-296 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | WSNGTNZN10 |
| 301-298 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | WSNG236Z15 |
| 301-299 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-300 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN2 |
| 301-301 | ONVOY, LLC - MD | GAITHERSBG |
| 301-302 | SPRINT SPECTRUM, LP - MD | HAGERSTOWN |
| 301-304 | COMCAST IP PHONE, LLC | WALKERSVL |
| 301-305 | SPRINT SPECTRUM, L.P. | FREDERICK |
| 301-306 | VERIZON MARYLAND, INC. | WSHNGTNZN4 |
| 301-307 | VERIZON MARYLAND, INC. | WSNG238Z13 |
| 301-309 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-310 | VERIZON MARYLAND, INC. | LAUREL238 |
| 301-312 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSHNGTNZN2 |
| 301-313 | VERIZON MARYLAND, INC. | WSNG236Z13 |
| 301-314 | PAETEC COMMUNICATIONS, INC. - MD | WSHNGTNZN4 |
| 301-315 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-316 | VERIZON MARYLAND, INC. | WSHNGTNZN5 |
| 301-317 | VERIZON MARYLAND, INC. | LAUREL236 |
| 301-318 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSHNGTNZN2 |
| 301-319 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-320 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-322 | VERIZON MARYLAND, INC. | WSHNGTNZN4 |
| 301-323 | LEVEL 3 TELECOM OF MARYLAND, LLC - MD | LAUREL236 |
| 301-324 | VERIZON MARYLAND, INC. | WSHNGTNZN5 |
| 301-325 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN3 |
| 301-326 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WSHNGTNZN3 |
| 301-328 | COMCAST IP PHONE, LLC | WSHNGTNZN3 |
| 301-329 | ONVOY, LLC - MD | ASHTON238 |
| 301-330 | VERIZON MARYLAND, INC. | GAITHERSBG |
| 301-331 | NEW CINGULAR WIRELESS PCS, LLC - DC | HAGERSTOWN |
| 301-332 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSHNGTNZN3 |
| 301-333 | VERIZON MARYLAND, INC. | WSHNGTNZN5 |
| 301-334 | VERIZON MARYLAND, INC. | OAKLAND |
| 301-335 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSHNGTNZN2 |
| 301-336 | VERIZON MARYLAND, INC. | WSHNGTNZN5 |
| 301-337 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | GAITHERSBG |
| 301-338 | IDT AMERICA, CORP. - MD | CUMBERLAND |
| 301-339 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | WSNGTNZN10 |
| 301-340 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-341 | VERIZON MARYLAND, INC. | WSHNGTNZN4 |
| 301-343 | SPRINT SPECTRUM, L.P. | WSHNGTNZN5 |
| 301-344 | VERIZON MARYLAND, INC. | WSNG236Z13 |
| 301-345 | VERIZON MARYLAND, INC. | WSNG236Z13 |
| 301-346 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSHNGTNZN3 |
| 301-347 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-348 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | WSNGTNZN11 |
| 301-349 | VERIZON MARYLAND, INC. | POOLESVL |
| 301-350 | VERIZON MARYLAND, INC. | WSHNGTNZN5 |
| 301-351 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN3 |
| 301-352 | VERIZON MARYLAND, INC. | WSNG236Z14 |
| 301-353 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-354 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | WSNGTNZN10 |
| 301-355 | VERIZON MARYLAND, INC. | GAITHERSBG |
| 301-356 | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | LAUREL236 |
| 301-358 | LEVEL 3 COMMUNICATIONS, LLC - MD | WSNG236Z15 |
| 301-359 | VERIZON MARYLAND, INC. | WESTERNPT |
| 301-360 | VERIZON MARYLAND, INC. | FREDERICK |
| 301-362 | VERIZON MARYLAND, INC. | LAUREL236 |
| 301-363 | LEVEL 3 COMMUNICATIONS, LLC - MD | DAMASCS240 |
| 301-364 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | WSHNGTNZN4 |
| 301-365 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-367 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN3 |
| 301-368 | VERIZON MARYLAND, INC. | DAMASCS236 |
| 301-369 | VERIZON MARYLAND, INC. | WSNG236Z13 |
| 301-370 | SPRINT SPECTRUM, L.P. | GAITHERSBG |
| 301-371 | VERIZON MARYLAND, INC. | MIDDLETOWN |
| 301-372 | VERIZON MARYLAND, INC. | WSNGTNZN16 |
| 301-373 | VERIZON MARYLAND, INC. | LEONARDTN |
| 301-374 | VERIZON MARYLAND, INC. | WALDORF |
| 301-375 | VERIZON MARYLAND, INC. | INDIANHEAD |
| 301-377 | COMCAST IP PHONE, LLC | LAUREL236 |
| 301-378 | COMCAST IP PHONE, LLC | FREDERICK |
| 301-379 | SPRINT SPECTRUM, L.P. | WSHNGTNZN3 |
| 301-380 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-383 | COMCAST IP PHONE, LLC | WSNG236Z14 |
| 301-384 | VERIZON MARYLAND, INC. | WSNGTNZN12 |
| 301-385 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSHNGTNZN2 |
| 301-386 | VERIZON MARYLAND, INC. | WSHNGTNZN4 |
| 301-387 | VERIZON MARYLAND, INC. | OAKLAND |
| 301-388 | VERIZON MARYLAND, INC. | WSNGTNZN12 |
| 301-389 | LEVEL 3 TELECOM OF MARYLAND, LLC - MD | WSNG236Z13 |
| 301-390 | VERIZON MARYLAND, INC. | WSNG236Z14 |
| 301-391 | VERIZON MARYLAND, INC. | DAMASCS236 |
| 301-392 | VERIZON MARYLAND, INC. | LA PLATA |
| 301-393 | VERIZON MARYLAND, INC. | HAGERSTOWN |
| 301-394 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-395 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | LAUREL238 |
| 301-396 | VERIZON MARYLAND, INC. | WALDORF |
| 301-398 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-399 | SPRINT SPECTRUM, L.P. | WALDORF |
| 301-401 | NEW CINGULAR WIRELESS PCS, LLC - DC | FREDERICK |
| 301-402 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-403 | VERIZON MARYLAND, INC. | WSHNGTNZN4 |
| 301-404 | SPRINT SPECTRUM, L.P. | WSHNGTNZN3 |
| 301-405 | PAETEC COMMUNICATIONS, INC. - MD | WSHNGTNZN4 |
| 301-406 | USA MOBILITY WIRELESS, INC. | WSHNGTNZN2 |
| 301-407 | VERIZON MARYLAND, INC. | GAITHERSBG |
| 301-408 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-412 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSHNGTNZN2 |
| 301-414 | VERIZON MARYLAND, INC. | DAMASCS236 |
| 301-415 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-416 | VERIZON MARYLAND, INC. | MYERSVILLE |
| 301-417 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-418 | VERIZON MARYLAND, INC. | FREDERICK |
| 301-419 | VERIZON MARYLAND, INC. | WSNG236Z13 |
| 301-420 | VERIZON MARYLAND, INC. | WSHNGTNZN5 |
| 301-421 | VERIZON MARYLAND, INC. | ASHTON236 |
| 301-422 | VERIZON MARYLAND, INC. | WSHNGTNZN4 |
| 301-423 | VERIZON MARYLAND, INC. | WSHNGTNZN5 |
| 301-424 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-426 | VERIZON MARYLAND, INC. | WSNG236Z13 |
| 301-427 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-428 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-429 | VERIZON MARYLAND, INC. | WSHNGTNZN4 |
| 301-430 | VERIZON MARYLAND, INC. | WSNG236Z14 |
| 301-431 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-432 | VERIZON MARYLAND, INC. | KEEDYSVL |
| 301-433 | VERIZON MARYLAND, INC. | WSHNGTNZN5 |
| 301-434 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-435 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-437 | SPRINT SPECTRUM, L.P. | WSHNGTNZN3 |
| 301-438 | VERIZON MARYLAND, INC. | WSNGTNZN12 |
| 301-439 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-440 | SPRINT SPECTRUM, L.P. | WSHNGTNZN5 |
| 301-441 | VERIZON MARYLAND, INC. | WSNG236Z13 |
| 301-442 | SPRINT SPECTRUM, L.P. | WSHNGTNZN3 |
| 301-443 | VERIZON MARYLAND, INC. | WSNGTNZN11 |
| 301-444 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-445 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-446 | VERIZON MARYLAND, INC. | WSNG236Z13 |
| 301-447 | VERIZON MARYLAND, INC. | EMMITSBURG |
| 301-448 | COMCAST IP PHONE, LLC | WSHNGTNZN3 |
| 301-449 | VERIZON MARYLAND, INC. | WSHNGTNZN5 |
| 301-451 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-452 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN3 |
| 301-453 | VERIZON MARYLAND, INC. | KITZMILLER |
| 301-454 | VERIZON MARYLAND, INC. | WSHNGTNZN4 |
| 301-455 | SPRINT SPECTRUM, L.P. | WSHNGTNZN3 |
| 301-456 | COMCAST IP PHONE, LLC | WSHNGTNZN5 |
| 301-458 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | WSHNGTNZN4 |
| 301-459 | VERIZON MARYLAND, INC. | WSHNGTNZN4 |
| 301-460 | VERIZON MARYLAND, INC. | WSNGTNZN11 |
| 301-461 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSNGTNZN10 |
| 301-463 | VERIZON MARYLAND, INC. | LONACONING |
| 301-464 | VERIZON MARYLAND, INC. | WSNG236Z14 |
| 301-466 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN3 |
| 301-467 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN3 |
| 301-468 | VERIZON MARYLAND, INC. | WSNGTNZN11 |
| 301-469 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-470 | VERIZON MARYLAND, INC. | WSNG236Z14 |
| 301-471 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | FREDERICK |
| 301-472 | VERIZON MARYLAND, INC. | MECHANCSVL |
| 301-473 | VERIZON MARYLAND, INC. | FREDERICK |
| 301-474 | VERIZON MARYLAND, INC. | WSNG236Z13 |
| 301-475 | VERIZON MARYLAND, INC. | LEONARDTN |
| 301-476 | VERIZON MARYLAND, INC. | ASHTON236 |
| 301-477 | COMCAST IP PHONE, LLC | WSNG236Z13 |
| 301-478 | VERIZON MARYLAND, INC. | FLINTSTONE |
| 301-479 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | WSNG236Z13 |
| 301-481 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | LEONARDTN |
| 301-482 | VERIZON MARYLAND, INC. | DAMASCS236 |
| 301-483 | VERIZON MARYLAND, INC. | LAUREL236 |
| 301-485 | COMCAST IP PHONE, LLC | WSHNGTNZN6 |
| 301-486 | VERIZON MARYLAND, INC. | WSNG236Z13 |
| 301-488 | VERIZON MARYLAND, INC. | WSNG236Z13 |
| 301-490 | VERIZON MARYLAND, INC. | LAUREL236 |
| 301-491 | USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD | HAGERSTOWN |
| 301-492 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-493 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-495 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-496 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-497 | VERIZON MARYLAND, INC. | LAUREL236 |
| 301-498 | VERIZON MARYLAND, INC. | LAUREL236 |
| 301-499 | VERIZON MARYLAND, INC. | WSHNGTNZN5 |
| 301-500 | XO MARYLAND, LLC | WSHNGTNZN2 |
| 301-501 | NEW CINGULAR WIRELESS PCS, LLC - DC | OAKLAND |
| 301-502 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN3 |
| 301-503 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSHNGTNZN2 |
| 301-504 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-507 | VERIZON MARYLAND, INC. | WSNG236Z13 |
| 301-508 | NEW CINGULAR WIRELESS PCS, LLC - DC | MYERSVILLE |
| 301-509 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN3 |
| 301-512 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN3 |
| 301-513 | VERIZON MARYLAND, INC. | WSNG236Z13 |
| 301-514 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | FREDERICK |
| 301-515 | VERIZON MARYLAND, INC. | GAITHERSBG |
| 301-518 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN3 |
| 301-519 | VERIZON MARYLAND, INC. | GAITHERSBG |
| 301-520 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN3 |
| 301-522 | VERIZON MARYLAND, INC. | WSNGTNZN11 |
| 301-523 | SPRINT SPECTRUM, L.P. | WSHNGTNZN3 |
| 301-524 | SPRINT SPECTRUM, L.P. | FREDERICK |
| 301-525 | QUANTUM TELECOMMUNICATIONS, INC. - MD | GAITHERSBG |
| 301-526 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSHNGTNZN3 |
| 301-527 | VERIZON MARYLAND, INC. | GAITHERSBG |
| 301-528 | VERIZON MARYLAND, INC. | GAITHERSBG |
| 301-529 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSNGTNZN10 |
| 301-530 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-533 | VERIZON MARYLAND, INC. | OAKLAND |
| 301-534 | YMAX COMMUNICATIONS CORP. - MD | INDIANHEAD |
| 301-535 | NEW CINGULAR WIRELESS PCS, LLC - DC | WALDORF |
| 301-536 | SPRINT SPECTRUM, L.P. | LEONARDTN |
| 301-537 | SPRINT SPECTRUM, L.P. | WSHNGTNZN3 |
| 301-538 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSHNGTNZN2 |
| 301-539 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | LA PLATA |
| 301-540 | VERIZON MARYLAND, INC. | GAITHERSBG |
| 301-542 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | WALDORF |
| 301-543 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | LAUREL236 |
| 301-545 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-547 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | WSHNGTNZN2 |
| 301-548 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-552 | VERIZON MARYLAND, INC. | WSNG236Z13 |
| 301-556 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | GAITHERSBG |
| 301-557 | LEVEL 3 COMMUNICATIONS, LLC - MD | WSHNGTNZN3 |
| 301-559 | VERIZON MARYLAND, INC. | WSHNGTNZN4 |
| 301-560 | PAETEC COMMUNICATIONS, INC. - MD | WSHNGTNZN4 |
| 301-562 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-563 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-564 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-565 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-567 | VERIZON MARYLAND, INC. | WSHNGTNZN6 |
| 301-568 | VERIZON MARYLAND, INC. | WSHNGTNZN5 |
| 301-569 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | GAITHERSBG |
| 301-570 | VERIZON MARYLAND, INC. | ASHTON236 |
| 301-571 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-572 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-573 | SPRINT SPECTRUM, LP - MD | HAGERSTOWN |
| 301-574 | VERIZON MARYLAND, INC. | WSNG236Z15 |
| 301-575 | US LEC OF MARYLAND, INC. | LAUREL236 |
| 301-576 | PAETEC COMMUNICATIONS, INC. - MD | WSHNGTNZN3 |
| 301-577 | VERIZON MARYLAND, INC. | WSHNGTNZN4 |
| 301-578 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-579 | VERIZON MARYLAND, INC. | BRANDYWINE |
| 301-580 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN3 |
| 301-581 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-582 | VERIZON MARYLAND, INC. | HAGERSTOWN |
| 301-583 | VERIZON MARYLAND, INC. | WSHNGTNZN4 |
| 301-585 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-586 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-587 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-588 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-589 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-590 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-591 | PAETEC COMMUNICATIONS, INC. - MD | GAITHERSBG |
| 301-592 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-593 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-594 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-595 | VERIZON MARYLAND, INC. | WSNG236Z13 |
| 301-596 | VERIZON MARYLAND, INC. | LAUREL238 |
| 301-598 | VERIZON MARYLAND, INC. | WSNGTNZN12 |
| 301-599 | VERIZON MARYLAND, INC. | WSHNGTNZN5 |
| 301-600 | VERIZON MARYLAND, INC. | FREDERICK |
| 301-601 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-602 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN3 |
| 301-603 | VERIZON MARYLAND, INC. | WSNGTNZN11 |
| 301-604 | VERIZON MARYLAND, INC. | LAUREL236 |
| 301-605 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-606 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | FREDERICK |
| 301-607 | VERIZON MARYLAND, INC. | DAMASCS240 |
| 301-608 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-609 | VERIZON MARYLAND, INC. | WALDORF |
| 301-610 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-612 | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | WSNG238Z14 |
| 301-613 | SPRINT SPECTRUM, L.P. | WSHNGTNZN3 |
| 301-614 | VERIZON MARYLAND, INC. | WSNG236Z13 |
| 301-615 | BANDWIDTH.COM CLEC, LLC - MD | WSNG236Z13 |
| 301-616 | USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD | OAKLAND |
| 301-617 | VERIZON MARYLAND, INC. | LAUREL236 |
| 301-618 | VERIZON MARYLAND, INC. | WSHNGTNZN4 |
| 301-619 | VERIZON MARYLAND, INC. | FREDERICK |
| 301-620 | VERIZON MARYLAND, INC. | FREDERICK |
| 301-621 | VERIZON MARYLAND, INC. | WSNG238Z14 |
| 301-622 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-623 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | WSNG236Z13 |
| 301-624 | VERIZON MARYLAND, INC. | FREDERICK |
| 301-625 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-626 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-627 | VERIZON MARYLAND, INC. | WSNG236Z15 |
| 301-628 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | WSHNGTNZN3 |
| 301-630 | VERIZON MARYLAND, INC. | WSHNGTNZN6 |
| 301-631 | VERIZON MARYLAND, INC. | FREDERICK |
| 301-632 | VERIZON MARYLAND, INC. | WALDORF |
| 301-633 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSHNGTNZN2 |
| 301-634 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | WSHNGTNZN2 |
| 301-636 | VERIZON MARYLAND, INC. | WSHNGTNZN5 |
| 301-637 | LEVEL 3 COMMUNICATIONS, LLC - MD | WSNGTNZN10 |
| 301-638 | VERIZON MARYLAND, INC. | WALDORF |
| 301-639 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | FREDERICK |
| 301-640 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-641 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN3 |
| 301-642 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSHNGTNZN2 |
| 301-643 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WALDORF |
| 301-644 | VERIZON MARYLAND, INC. | FREDERICK |
| 301-645 | VERIZON MARYLAND, INC. | WALDORF |
| 301-646 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSHNGTNZN2 |
| 301-648 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSHNGTNZN2 |
| 301-649 | VERIZON MARYLAND, INC. | WSNGTNZN11 |
| 301-650 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-651 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN3 |
| 301-652 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-653 | NEW CINGULAR WIRELESS PCS, LLC - DC | WALDORF |
| 301-654 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-655 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSHNGTNZN2 |
| 301-656 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-657 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-658 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | ASHTON236 |
| 301-659 | NEW CINGULAR WIRELESS PCS, LLC - DC | WALDORF |
| 301-660 | NEW CINGULAR WIRELESS PCS, LLC - DC | KEEDYSVL |
| 301-661 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSHNGTNZN2 |
| 301-662 | VERIZON MARYLAND, INC. | FREDERICK |
| 301-663 | VERIZON MARYLAND, INC. | FREDERICK |
| 301-664 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-665 | VERIZON MARYLAND, INC. | HAGERSTOWN |
| 301-666 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | WSNG236Z14 |
| 301-667 | NEW CINGULAR WIRELESS PCS, LLC - DC | MYERSVILLE |
| 301-668 | VERIZON MARYLAND, INC. | FREDERICK |
| 301-669 | VERIZON MARYLAND, INC. | WSHNGTNZN5 |
| 301-670 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-671 | BANDWIDTH.COM CLEC, LLC - MD | HAGERSTOWN |
| 301-673 | NEW CINGULAR WIRELESS PCS, LLC - DC | FREDERICK |
| 301-674 | SPRINT SPECTRUM, L.P. | WSHNGTNZN2 |
| 301-675 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WSHNGTNZN3 |
| 301-676 | NEW CINGULAR WIRELESS PCS, LLC - DC | FREDERICK |
| 301-677 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | WSNG236Z14 |
| 301-678 | VERIZON MARYLAND, INC. | HANCOCK |
| 301-679 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | WSNGTNZN12 |
| 301-680 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-681 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-682 | VERIZON MARYLAND, INC. | FREDERICK |
| 301-683 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | WSHNGTNZN4 |
| 301-684 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | INDIANHEAD |
| 301-685 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | DAMASCS236 |
| 301-686 | VERIZON MARYLAND, INC. | WSHNGTNZN6 |
| 301-687 | VERIZON MARYLAND, INC. | FROSTBURG |
| 301-688 | VERIZON MARYLAND, INC. | WSNG236Z13 |
| 301-689 | VERIZON MARYLAND, INC. | FROSTBURG |
| 301-692 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | WSNGTNZN11 |
| 301-693 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | FREDERICK |
| 301-694 | VERIZON MARYLAND, INC. | FREDERICK |
| 301-695 | VERIZON MARYLAND, INC. | FREDERICK |
| 301-696 | VERIZON MARYLAND, INC. | FREDERICK |
| 301-697 | NEW CINGULAR WIRELESS PCS, LLC - DC | CUMBERLAND |
| 301-698 | VERIZON MARYLAND, INC. | FREDERICK |
| 301-699 | VERIZON MARYLAND, INC. | WSHNGTNZN4 |
| 301-701 | BANDWIDTH.COM CLEC, LLC - MD | WSNG236Z13 |
| 301-702 | VERIZON MARYLAND, INC. | WSHNGTNZN5 |
| 301-703 | LEVEL 3 COMMUNICATIONS, LLC - MD | MOUNT AIRY |
| 301-704 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN3 |
| 301-705 | VERIZON MARYLAND, INC. | WALDORF |
| 301-706 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN3 |
| 301-707 | USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD | CUMBERLAND |
| 301-710 | LEVEL 3 COMMUNICATIONS, LLC - MD | WALDORF |
| 301-712 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD | FREDERICK |
| 301-713 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-714 | VERIZON MARYLAND, INC. | HAGERSTOWN |
| 301-715 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | WSNG236Z15 |
| 301-717 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN3 |
| 301-718 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-720 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | BRANDYWINE |
| 301-721 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-722 | VERIZON MARYLAND, INC. | CUMBERLAND |
| 301-723 | VERIZON MARYLAND, INC. | CUMBERLAND |
| 301-724 | VERIZON MARYLAND, INC. | CUMBERLAND |
| 301-725 | VERIZON MARYLAND, INC. | LAUREL236 |
| 301-728 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WSHNGTNZN3 |
| 301-729 | VERIZON MARYLAND, INC. | CUMBERLAND |
| 301-730 | NEW CINGULAR WIRELESS PCS, LLC - DC | MYERSVILLE |
| 301-731 | VERIZON MARYLAND, INC. | WSHNGTNZN4 |
| 301-733 | VERIZON MARYLAND, INC. | HAGERSTOWN |
| 301-735 | VERIZON MARYLAND, INC. | WSHNGTNZN5 |
| 301-736 | VERIZON MARYLAND, INC. | WSHNGTNZN5 |
| 301-737 | VERIZON MARYLAND, INC. | LXTNPKGRML |
| 301-738 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-739 | VERIZON MARYLAND, INC. | HAGERSTOWN |
| 301-740 | VERIZON MARYLAND, INC. | GAITHERSBG |
| 301-741 | LEVEL 3 COMMUNICATIONS, LLC - MD | LAUREL236 |
| 301-742 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSHNGTNZN2 |
| 301-743 | VERIZON MARYLAND, INC. | INDIANHEAD |
| 301-744 | VERIZON MARYLAND, INC. | INDIANHEAD |
| 301-745 | VERIZON MARYLAND, INC. | HAGERSTOWN |
| 301-746 | VERIZON MARYLAND, INC. | FRIENDSVL |
| 301-748 | SPRINT SPECTRUM, L.P. | FREDERICK |
| 301-749 | VERIZON MARYLAND, INC. | WSHNGTNZN6 |
| 301-750 | CORE COMMUNICATIONS, INC.- MD | FRIENDSVL |
| 301-751 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WALDORF |
| 301-752 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WALDORF |
| 301-753 | VERIZON MARYLAND, INC. | WSHNGTNZN6 |
| 301-754 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-755 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | WSHNGTNZN3 |
| 301-756 | LEVEL 3 TELECOM OF MARYLAND, LLC - MD | WSNG236Z14 |
| 301-757 | VERIZON MARYLAND, INC. | LXTNPKGRML |
| 301-758 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN3 |
| 301-759 | VERIZON MARYLAND, INC. | CUMBERLAND |
| 301-760 | LEVEL 3 COMMUNICATIONS, LLC - MD | WSHNGTNZN2 |
| 301-761 | LEVEL 3 COMMUNICATIONS, LLC - MD | WSNGTNZN11 |
| 301-762 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-765 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-766 | VERIZON MARYLAND, INC. | HAGERSTOWN |
| 301-767 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-768 | LEVEL 3 COMMUNICATIONS, LLC - MD | WSHNGTNZN3 |
| 301-769 | VERIZON MARYLAND, INC. | LEONARDTN |
| 301-770 | VERIZON MARYLAND, INC. | WSNGTNZN11 |
| 301-771 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-772 | VERIZON MARYLAND, INC. | WSHNGTNZN4 |
| 301-773 | VERIZON MARYLAND, INC. | WSHNGTNZN4 |
| 301-774 | VERIZON MARYLAND, INC. | ASHTON236 |
| 301-775 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN3 |
| 301-776 | VERIZON MARYLAND, INC. | LAUREL236 |
| 301-777 | VERIZON MARYLAND, INC. | CUMBERLAND |
| 301-778 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | WSHNGTNZN5 |
| 301-779 | VERIZON MARYLAND, INC. | WSHNGTNZN4 |
| 301-780 | VERIZON MARYLAND, INC. | WSNG236Z15 |
| 301-782 | VERIZON MARYLAND, INC. | BRANDYWINE |
| 301-783 | BANDWIDTH.COM CLEC, LLC - MD | CUMBERLAND |
| 301-784 | VERIZON MARYLAND, INC. | CUMBERLAND |
| 301-785 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN3 |
| 301-787 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN3 |
| 301-788 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | FREDERICK |
| 301-790 | VERIZON MARYLAND, INC. | HAGERSTOWN |
| 301-791 | VERIZON MARYLAND, INC. | HAGERSTOWN |
| 301-792 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WSHNGTNZN3 |
| 301-793 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WSHNGTNZN3 |
| 301-794 | VERIZON MARYLAND, INC. | WSNG236Z14 |
| 301-795 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | WSNGTNZN10 |
| 301-796 | VERIZON MARYLAND, INC. | WSNG236Z13 |
| 301-797 | VERIZON MARYLAND, INC. | HAGERSTOWN |
| 301-798 | VERIZON MARYLAND, INC. | DAMASCS240 |
| 301-799 | CORE COMMUNICATIONS, INC.- MD | KEEDYSVL |
| 301-800 | SPRINT SPECTRUM, LP - MD | HAGERSTOWN |
| 301-801 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN3 |
| 301-802 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN3 |
| 301-803 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-804 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | ASHTON236 |
| 301-805 | VERIZON MARYLAND, INC. | WSNG236Z14 |
| 301-806 | SPRINT SPECTRUM, L.P. | WSHNGTNZN3 |
| 301-807 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN3 |
| 301-808 | VERIZON MARYLAND, INC. | WSHNGTNZN5 |
| 301-809 | VERIZON MARYLAND, INC. | WSNG236Z14 |
| 301-810 | ONVOY SPECTRUM, LLC | BUCKEYSTN |
| 301-812 | VERIZON MARYLAND, INC. | WSNG238Z15 |
| 301-813 | BALTIMORE-WASHINGTON TELEPHONE (BWT) | WSHNGTNZN2 |
| 301-814 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSHNGTNZN2 |
| 301-815 | VERIZON MARYLAND, INC. | FREDERICK |
| 301-816 | VERIZON MARYLAND, INC. | WSNGTNZN11 |
| 301-817 | VERIZON MARYLAND, INC. | WSHNGTNZN5 |
| 301-818 | BANDWIDTH.COM CLEC, LLC - MD | WALDORF |
| 301-820 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | GAITHERSBG |
| 301-821 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | LAUREL236 |
| 301-822 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | WSNGTNZN11 |
| 301-823 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | WSNG236Z13 |
| 301-824 | VERIZON MARYLAND, INC. | SMITHSBURG |
| 301-826 | VERIZON MARYLAND, INC. | LXTNPKGRML |
| 301-827 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-828 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | WSHNGTNZN2 |
| 301-829 | VERIZON MARYLAND, INC. | MOUNT AIRY |
| 301-830 | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | WSHNGTNZN3 |
| 301-831 | VERIZON MARYLAND, INC. | DAMASCS240 |
| 301-832 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | WSHNGTNZN4 |
| 301-833 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | WSNG236Z14 |
| 301-834 | VERIZON MARYLAND, INC. | BRUNSWICK |
| 301-837 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | WSNG236Z13 |
| 301-838 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-839 | VERIZON MARYLAND, INC. | WSHNGTNZN6 |
| 301-840 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-841 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | WSHNGTNZN2 |
| 301-842 | VERIZON MARYLAND, INC. | CLEAR SPG |
| 301-843 | VERIZON MARYLAND, INC. | WSHNGTNZN6 |
| 301-844 | SPRINT SPECTRUM, L.P. | WSHNGTNZN3 |
| 301-845 | VERIZON MARYLAND, INC. | WALKERSVL |
| 301-846 | VERIZON MARYLAND, INC. | FREDERICK |
| 301-848 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WALDORF |
| 301-850 | LEVEL 3 COMMUNICATIONS, LLC - MD | WSNG236Z14 |
| 301-852 | VERIZON MARYLAND, INC. | WSHNGTNZN4 |
| 301-853 | VERIZON MARYLAND, INC. | WSHNGTNZN4 |
| 301-854 | VERIZON MARYLAND, INC. | ASHTON238 |
| 301-855 | VERIZON MARYLAND, INC. | WSNG238Z15 |
| 301-856 | VERIZON MARYLAND, INC. | WSNGTNZN16 |
| 301-858 | VERIZON MARYLAND, INC. | WSNG238Z14 |
| 301-859 | LEVEL 3 COMMUNICATIONS, LLC - MD | OAKLAND |
| 301-860 | VERIZON MARYLAND, INC. | WSNG236Z14 |
| 301-861 | LEVEL 3 COMMUNICATIONS, LLC - MD | WALDORF |
| 301-862 | VERIZON MARYLAND, INC. | LXTNPKGRML |
| 301-863 | VERIZON MARYLAND, INC. | LXTNPKGRML |
| 301-864 | VERIZON MARYLAND, INC. | WSHNGTNZN4 |
| 301-865 | VERIZON MARYLAND, INC. | NEW MARKET |
| 301-866 | VERIZON MARYLAND, INC. | LXTNPKGRML |
| 301-867 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | WSNG236Z14 |
| 301-868 | VERIZON MARYLAND, INC. | WSNGTNZN16 |
| 301-869 | VERIZON MARYLAND, INC. | GAITHERSBG |
| 301-870 | VERIZON MARYLAND, INC. | WSHNGTNZN6 |
| 301-871 | VERIZON MARYLAND, INC. | WSNGTNZN11 |
| 301-872 | VERIZON MARYLAND, INC. | RIDGE |
| 301-873 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN3 |
| 301-874 | VERIZON MARYLAND, INC. | BUCKEYSTN |
| 301-875 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | LAUREL236 |
| 301-876 | LEVEL 3 COMMUNICATIONS, LLC - MD | CUMBERLAND |
| 301-877 | VERIZON MARYLAND, INC. | WSNGTNZN16 |
| 301-879 | VERIZON MARYLAND, INC. | WSNGTNZN12 |
| 301-880 | LEVEL 3 COMMUNICATIONS, LLC - MD | LXTNPKGRML |
| 301-881 | VERIZON MARYLAND, INC. | WSNGTNZN11 |
| 301-882 | CORE COMMUNICATIONS, INC.- MD | NEW MARKET |
| 301-883 | VERIZON MARYLAND, INC. | WSHNGTNZN5 |
| 301-884 | VERIZON MARYLAND, INC. | MECHANCSVL |
| 301-885 | VERIZON MARYLAND, INC. | WALDORF |
| 301-886 | VERIZON MARYLAND, INC. | WSNG236Z13 |
| 301-888 | VERIZON MARYLAND, INC. | WSNGTNZN16 |
| 301-890 | VERIZON MARYLAND, INC. | WSNGTNZN12 |
| 301-891 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-892 | VERIZON MARYLAND, INC. | WSHNGTNZN4 |
| 301-893 | VERIZON MARYLAND, INC. | WSHNGTNZN6 |
| 301-894 | VERIZON MARYLAND, INC. | WSHNGTNZN6 |
| 301-895 | VERIZON MARYLAND, INC. | GRANTSVL |
| 301-896 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-897 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-898 | VERIZON MARYLAND, INC. | FREDERICK |
| 301-899 | VERIZON MARYLAND, INC. | WSHNGTNZN5 |
| 301-902 | VERIZON MARYLAND, INC. | WSNG236Z13 |
| 301-903 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-904 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | LEONARDTN |
| 301-905 | VERIZON MARYLAND, INC. | WSHNGTNZN3 |
| 301-906 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSHNGTNZN2 |
| 301-907 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-908 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN3 |
| 301-909 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | WSHNGTNZN5 |
| 301-910 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSHNGTNZN2 |
| 301-912 | VERIZON MARYLAND, INC. | WSNG238Z14 |
| 301-913 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-914 | MOUNTAIN COMMUNICATIONS, LLC DBA PROCOM - MD | OAKLAND |
| 301-915 | STARPOWER COMMUNICATIONS, LLC - MD | WSHNGTNZN2 |
| 301-916 | VERIZON MARYLAND, INC. | GAITHERSBG |
| 301-917 | STARPOWER COMMUNICATIONS, LLC - MD | WSNGTNZN10 |
| 301-918 | VERIZON MARYLAND, INC. | WSHNGTNZN4 |
| 301-919 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSHNGTNZN2 |
| 301-920 | STARPOWER COMMUNICATIONS, LLC - MD | WSHNGTNZN3 |
| 301-921 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-922 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN3 |
| 301-924 | VERIZON MARYLAND, INC. | WSNGTNZN12 |
| 301-925 | VERIZON MARYLAND, INC. | WSHNGTNZN5 |
| 301-926 | VERIZON MARYLAND, INC. | GAITHERSBG |
| 301-927 | VERIZON MARYLAND, INC. | WSHNGTNZN4 |
| 301-928 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN3 |
| 301-929 | VERIZON MARYLAND, INC. | WSNGTNZN11 |
| 301-931 | VERIZON MARYLAND, INC. | WSNG236Z13 |
| 301-932 | VERIZON MARYLAND, INC. | WALDORF |
| 301-933 | VERIZON MARYLAND, INC. | WSNGTNZN11 |
| 301-934 | VERIZON MARYLAND, INC. | LA PLATA |
| 301-935 | VERIZON MARYLAND, INC. | WSNG236Z13 |
| 301-937 | VERIZON MARYLAND, INC. | WSNG236Z13 |
| 301-938 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN3 |
| 301-939 | VERIZON MARYLAND, INC. | WSNG236Z13 |
| 301-941 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-942 | VERIZON MARYLAND, INC. | WSNGTNZN11 |
| 301-943 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN3 |
| 301-944 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | GAITHERSBG |
| 301-945 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | WSNGTNZN11 |
| 301-946 | VERIZON MARYLAND, INC. | WSNGTNZN11 |
| 301-947 | VERIZON MARYLAND, INC. | GAITHERSBG |
| 301-948 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-949 | VERIZON MARYLAND, INC. | WSNGTNZN11 |
| 301-951 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-952 | VERIZON MARYLAND, INC. | WSNG236Z15 |
| 301-953 | VERIZON MARYLAND, INC. | WSNG236Z13 |
| 301-955 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | WSHNGTNZN4 |
| 301-956 | VERIZON MARYLAND, INC. | GAITHERSBG |
| 301-957 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | LAUREL236 |
| 301-960 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | WSHNGTNZN3 |
| 301-961 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-962 | VERIZON MARYLAND, INC. | WSNGTNZN11 |
| 301-963 | VERIZON MARYLAND, INC. | GAITHERSBG |
| 301-965 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | WSHNGTNZN6 |
| 301-966 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | WSNGTNZN12 |
| 301-967 | VERIZON MARYLAND, INC. | WSHNGTNZN5 |
| 301-968 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | WSHNGTNZN2 |
| 301-969 | COMCAST IP PHONE, LLC | BRUNSWICK |
| 301-970 | VERIZON MARYLAND, INC. | WSNG238Z14 |
| 301-971 | STARPOWER COMMUNICATIONS, LLC - MD | WSHNGTNZN6 |
| 301-972 | VERIZON MARYLAND, INC. | GAITHERSBG |
| 301-974 | STARPOWER COMMUNICATIONS, LLC - MD | LAUREL236 |
| 301-975 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-977 | VERIZON MARYLAND, INC. | GAITHERSBG |
| 301-978 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-979 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-980 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WSHNGTNZN3 |
| 301-982 | VERIZON MARYLAND, INC. | WSNG236Z13 |
| 301-983 | VERIZON MARYLAND, INC. | WSNGTNZN10 |
| 301-984 | VERIZON MARYLAND, INC. | WSNGTNZN11 |
| 301-985 | VERIZON MARYLAND, INC. | WSHNGTNZN4 |
| 301-986 | VERIZON MARYLAND, INC. | WSHNGTNZN2 |
| 301-987 | VERIZON MARYLAND, INC. | GAITHERSBG |
| 301-988 | USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD | HAGERSTOWN |
| 301-989 | VERIZON MARYLAND, INC. | WSNGTNZN12 |
| 301-990 | VERIZON MARYLAND, INC. | GAITHERSBG |
| 301-992 | SPRINT SPECTRUM, LP - MD | HAGERSTOWN |
| 301-994 | VERIZON MARYLAND, INC. | LXTNPKGRML |
| 301-995 | VERIZON MARYLAND, INC. | LXTNPKGRML |
| 301-996 | SPRINT SPECTRUM, L.P. | WSHNGTNZN3 |
| 301-997 | VERIZON MARYLAND, INC. | LEONARDTN |
| 301-998 | VERIZON MARYLAND, INC. | WSNGTNZN11 |
Area Code 301 Information
Area code 301 belongs to Maryland, UNITED STATES. It is a General Purpose Code which was placed in service on January 1, 1947.
| Type | General Purpose Code |
| Use | Geograpic |
| Location | Maryland (MD) |
| Country | UNITED STATES |
| Service Date | 01/01/1947 |
| Service |
Related Area Codes
Other area codes serving Maryland: