301 Area Code
Silver Spring, Maryland
Area Code Information
| Area Code: | 301 |
| Major City: | Silver Spring |
| State/Region: | Maryland (MD) |
| Time Zone: | Eastern |
| Current Local Time: | 5:03 PM |
| In Service Since: | 1/1/47 |
| Overlay: | Yes (301/301/240/227) |
Other Area Codes in Maryland
Prefixes & Exchanges
Showing 800 prefixes for area code 301
| Prefix | Location | Company | Assigned |
|---|---|---|---|
| 301-200 | Indianhead | BANDWIDTH.COM CLEC, LLC - MD | 2/24/11 |
| 301-201 | -- | [UNASSIGNED] | -- |
| 301-202 | Wshngtnzn2 | NEW CINGULAR WIRELESS PCS, LLC - DC | 12/19/08 |
| 301-203 | Wshngtnzn6 | VERIZON MARYLAND, INC. | -- |
| 301-204 | Wshngtnzn2 | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-205 | Wsng238z14 | VERIZON MARYLAND, INC. | -- |
| 301-206 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-207 | Wsng236z13 | USA MOBILITY WIRELESS, INC. | -- |
| 301-208 | Gaithersbg | VERIZON MARYLAND, INC. | -- |
| 301-209 | Wshngtnzn4 | VERIZON MARYLAND, INC. | -- |
| 301-210 | Laurel236 | VERIZON MARYLAND, INC. | -- |
| 301-211 | -- | [UNASSIGNED] | -- |
| 301-212 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-213 | Wshngtnzn3 | SPRINT SPECTRUM L.P. | -- |
| 301-214 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-215 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-216 | Gaithersbg | VERIZON MARYLAND, INC. | -- |
| 301-217 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-218 | Wsng236z14 | VERIZON MARYLAND, INC. | -- |
| 301-219 | Wshngtnzn2 | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-220 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-221 | Wshngtnzn2 | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-222 | Wshngtnzn2 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | -- |
| 301-223 | Williamspt | VERIZON MARYLAND, INC. | -- |
| 301-224 | Wshngtnzn2 | USA MOBILITY WIRELESS, INC. | -- |
| 301-225 | Wsng236z14 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | 5/21/09 |
| 301-226 | Wshngtnzn4 | VERIZON MARYLAND, INC. | -- |
| 301-227 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-228 | Frederick | VERIZON MARYLAND, INC. | -- |
| 301-229 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-230 | Wsngtnzn11 | VERIZON MARYLAND, INC. | -- |
| 301-231 | Wsngtnzn11 | VERIZON MARYLAND, INC. | -- |
| 301-232 | Ashton236 | MCI WORLDCOM COMMUNICATIONS, INC. - MD | -- |
| 301-233 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-234 | Wsngtnzn16 | VERIZON MARYLAND, INC. | -- |
| 301-235 | Wsngtnzn16 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | -- |
| 301-236 | Wsngtnzn12 | VERIZON MARYLAND, INC. | -- |
| 301-237 | Wshngtnzn3 | SPRINT SPECTRUM L.P. | -- |
| 301-238 | Wsngtnzn16 | VERIZON MARYLAND, INC. | -- |
| 301-239 | Wshngtnzn4 | VERIZON MARYLAND, INC. | -- |
| 301-240 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-241 | Highfield | VERIZON MARYLAND, INC. | -- |
| 301-242 | Brandywine | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | -- |
| 301-243 | Wshngtnzn2 | VERIZON MARYLAND, INC. | 7/20/06 |
| 301-244 | Wshngtnzn3 | TELCOVE OPERATIONS, INC. - MD | -- |
| 301-245 | Bittinger | VERIZON MARYLAND, INC. | -- |
| 301-246 | Nanjemoy | VERIZON MARYLAND, INC. | -- |
| 301-247 | Leonardtn | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-248 | Wshngtnzn6 | VERIZON MARYLAND, INC. | -- |
| 301-249 | Wsng236z14 | VERIZON MARYLAND, INC. | -- |
| 301-250 | Gaithersbg | MCI WORLDCOM COMMUNICATIONS, INC. - MD | -- |
| 301-251 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-252 | Gaithersbg | SPRINT SPECTRUM L.P. | -- |
| 301-253 | Damascs236 | VERIZON MARYLAND, INC. | -- |
| 301-254 | Wshngtnzn3 | SPRINT SPECTRUM L.P. | -- |
| 301-255 | Wsngtnzn11 | VERIZON MARYLAND, INC. | -- |
| 301-256 | Laurel236 | MCI WORLDCOM COMMUNICATIONS, INC. - MD | -- |
| 301-257 | Wshngtnzn3 | SPRINT SPECTRUM L.P. | -- |
| 301-258 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-259 | Tompkinsvl | VERIZON MARYLAND, INC. | -- |
| 301-260 | Ashton236 | VERIZON MARYLAND, INC. | -- |
| 301-261 | Wsng238z14 | VERIZON MARYLAND, INC. | -- |
| 301-262 | Wsng236z14 | VERIZON MARYLAND, INC. | -- |
| 301-263 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-264 | Mt Savage | VERIZON MARYLAND, INC. | -- |
| 301-265 | Wshngtnzn6 | VERIZON MARYLAND, INC. | -- |
| 301-266 | Waldorf | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-267 | Wshngtnzn3 | SPRINT SPECTRUM L.P. | 10/4/11 |
| 301-268 | Cumberland | USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD | -- |
| 301-269 | Wshngtnzn2 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 11/11/14 |
| 301-270 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-271 | Thurmont | VERIZON MARYLAND, INC. | -- |
| 301-272 | Wshngtnzn2 | MCI WORLDCOM COMMUNICATIONS, INC. - MD | -- |
| 301-273 | Wshngtnzn3 | MCI WORLDCOM COMMUNICATIONS, INC. - MD | -- |
| 301-274 | Hughesvl | VERIZON MARYLAND, INC. | -- |
| 301-275 | Wshngtnzn2 | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-276 | Wshngtnzn4 | MCI WORLDCOM COMMUNICATIONS, INC. - MD | -- |
| 301-277 | Wshngtnzn4 | VERIZON MARYLAND, INC. | -- |
| 301-278 | Wshngtnzn5 | MCI WORLDCOM COMMUNICATIONS, INC. - MD | -- |
| 301-279 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-280 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-281 | Wshngtnzn6 | MCI WORLDCOM COMMUNICATIONS, INC. - MD | -- |
| 301-282 | Wsngtnzn12 | VERIZON MARYLAND, INC. | -- |
| 301-283 | Wshngtnzn6 | VERIZON MARYLAND, INC. | -- |
| 301-284 | Wsngtnzn10 | MCI WORLDCOM COMMUNICATIONS, INC. - MD | -- |
| 301-285 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-286 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-287 | Wsngtnzn11 | MCI WORLDCOM COMMUNICATIONS, INC. - MD | -- |
| 301-288 | Wsngtnzn12 | MCI WORLDCOM COMMUNICATIONS, INC. - MD | -- |
| 301-289 | Wsng236z13 | MCI WORLDCOM COMMUNICATIONS, INC. - MD | -- |
| 301-290 | Mechancsvl | VERIZON MARYLAND, INC. | -- |
| 301-291 | Wsng236z14 | MCI WORLDCOM COMMUNICATIONS, INC. - MD | -- |
| 301-292 | Wshngtnzn6 | VERIZON MARYLAND, INC. | -- |
| 301-293 | Myersville | VERIZON MARYLAND, INC. | -- |
| 301-294 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-295 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-296 | Wsngtnzn10 | MCI WORLDCOM COMMUNICATIONS, INC. - MD | -- |
| 301-297 | Wsngtnzn16 | VERIZON MARYLAND, INC. | -- |
| 301-298 | Wsng236z15 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | -- |
| 301-299 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-300 | Wshngtnzn2 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 3/30/07 |
| 301-301 | -- | [UNASSIGNED] | -- |
| 301-302 | Hagerstown | SPRINT SPECTRUM L.P. - MD | 10/5/04 |
| 301-303 | Wsng236z13 | USA MOBILITY WIRELESS, INC. | -- |
| 301-304 | Walkersvl | COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD | 3/6/07 |
| 301-305 | Frederick | SPRINT SPECTRUM L.P. | -- |
| 301-306 | Wshngtnzn4 | VERIZON MARYLAND, INC. | -- |
| 301-307 | Wsng238z13 | VERIZON MARYLAND, INC. | -- |
| 301-308 | Wsng236z13 | USA MOBILITY WIRELESS, INC. | -- |
| 301-309 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-310 | Laurel238 | VERIZON MARYLAND, INC. | -- |
| 301-311 | -- | [UNASSIGNED] | -- |
| 301-312 | Wshngtnzn2 | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-313 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-314 | Wshngtnzn4 | PAETEC COMMUNICATIONS, INC. - MD | -- |
| 301-315 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-316 | Wshngtnzn5 | VERIZON MARYLAND, INC. | -- |
| 301-317 | Laurel236 | VERIZON MARYLAND, INC. | -- |
| 301-318 | Wshngtnzn2 | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-319 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-320 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-321 | Wsngtnzn11 | TELCOVE OPERATIONS, INC. - MD | -- |
| 301-322 | Wshngtnzn4 | VERIZON MARYLAND, INC. | -- |
| 301-323 | Laurel236 | LEVEL 3 TELECOM OF MARYLAND, LLC - MD | -- |
| 301-324 | Wshngtnzn5 | VERIZON MARYLAND, INC. | -- |
| 301-325 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-326 | Wshngtnzn3 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | -- |
| 301-327 | Wsng238z15 | COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD | 3/9/06 |
| 301-328 | Wshngtnzn3 | COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD | 6/21/06 |
| 301-329 | Ashton238 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 9/20/11 |
| 301-330 | Gaithersbg | VERIZON MARYLAND, INC. | -- |
| 301-331 | Hagerstown | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-332 | Wshngtnzn3 | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-333 | Wshngtnzn5 | VERIZON MARYLAND, INC. | -- |
| 301-334 | Oakland | VERIZON MARYLAND, INC. | -- |
| 301-335 | Wshngtnzn2 | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-336 | Wshngtnzn5 | VERIZON MARYLAND, INC. | -- |
| 301-337 | Gaithersbg | MCI WORLDCOM COMMUNICATIONS, INC. - MD | -- |
| 301-338 | Cumberland | IDT AMERICA CORP - MD | 1/31/06 |
| 301-339 | Wsngtnzn10 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | -- |
| 301-340 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-341 | Wshngtnzn4 | VERIZON MARYLAND, INC. | -- |
| 301-342 | Lxtnpkgrml | VERIZON MARYLAND, INC. | -- |
| 301-343 | Wshngtnzn5 | SPRINT SPECTRUM L.P. | -- |
| 301-344 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-345 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-346 | Wshngtnzn3 | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-347 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-348 | Wsngtnzn11 | MCI WORLDCOM COMMUNICATIONS, INC. - MD | -- |
| 301-349 | Poolesvl | VERIZON MARYLAND, INC. | -- |
| 301-350 | Wshngtnzn5 | VERIZON MARYLAND, INC. | -- |
| 301-351 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-352 | Wsng236z14 | VERIZON MARYLAND, INC. | -- |
| 301-353 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-354 | Wsngtnzn10 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | -- |
| 301-355 | Gaithersbg | VERIZON MARYLAND, INC. | 12/8/05 |
| 301-356 | Laurel236 | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | -- |
| 301-357 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 10/12/06 |
| 301-358 | Wsng236z15 | LEVEL 3 COMMUNICATIONS, LLC - MD | -- |
| 301-359 | Westernpt | VERIZON MARYLAND, INC. | -- |
| 301-360 | Frederick | VERIZON MARYLAND, INC. | -- |
| 301-361 | Wshngtnzn4 | LEVEL 3 TELECOM OF MARYLAND, LLC - MD | -- |
| 301-362 | Laurel236 | VERIZON MARYLAND, INC. | -- |
| 301-363 | Damascs240 | LEVEL 3 COMMUNICATIONS, LLC - MD | 8/16/06 |
| 301-364 | Wshngtnzn4 | MCI WORLDCOM COMMUNICATIONS, INC. - MD | -- |
| 301-365 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-366 | Gaithersbg | SPRINT SPECTRUM L.P. | -- |
| 301-367 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-368 | Damascs236 | VERIZON MARYLAND, INC. | -- |
| 301-369 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-370 | Gaithersbg | SPRINT SPECTRUM L.P. | -- |
| 301-371 | Middletown | VERIZON MARYLAND, INC. | -- |
| 301-372 | Wsngtnzn16 | VERIZON MARYLAND, INC. | -- |
| 301-373 | Leonardtn | VERIZON MARYLAND, INC. | -- |
| 301-374 | Waldorf | VERIZON MARYLAND, INC. | -- |
| 301-375 | Indianhead | VERIZON MARYLAND, INC. | -- |
| 301-376 | Laurel236 | VERIZON MARYLAND, INC. | -- |
| 301-377 | Laurel236 | COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD | -- |
| 301-378 | Frederick | COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD | 2/20/07 |
| 301-379 | Wshngtnzn3 | SPRINT SPECTRUM L.P. | -- |
| 301-380 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-381 | -- | [UNASSIGNED] | -- |
| 301-382 | Wsngtnzn11 | VERIZON MARYLAND, INC. | -- |
| 301-383 | Wsng236z14 | COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD | -- |
| 301-384 | Wsngtnzn12 | VERIZON MARYLAND, INC. | -- |
| 301-385 | Wshngtnzn2 | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-386 | Wshngtnzn4 | VERIZON MARYLAND, INC. | -- |
| 301-387 | Oakland | VERIZON MARYLAND, INC. | -- |
| 301-388 | Wsngtnzn12 | VERIZON MARYLAND, INC. | -- |
| 301-389 | Wsng236z13 | LEVEL 3 TELECOM OF MARYLAND, LLC - MD | -- |
| 301-390 | Wsng236z14 | VERIZON MARYLAND, INC. | -- |
| 301-391 | Damascs236 | VERIZON MARYLAND, INC. | -- |
| 301-392 | La Plata | VERIZON MARYLAND, INC. | -- |
| 301-393 | Hagerstown | VERIZON MARYLAND, INC. | -- |
| 301-394 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-395 | Laurel238 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-396 | Waldorf | VERIZON MARYLAND, INC. | -- |
| 301-397 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-398 | Wsngtnzn10 | VERIZON MARYLAND, INC. | 10/9/03 |
| 301-399 | Waldorf | SPRINT SPECTRUM L.P. | -- |
| 301-400 | Wshngtnzn2 | VERIZON MARYLAND, INC. | 3/29/10 |
| 301-401 | Frederick | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-402 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-403 | Wshngtnzn4 | VERIZON MARYLAND, INC. | -- |
| 301-404 | Wshngtnzn3 | SPRINT SPECTRUM L.P. | -- |
| 301-405 | Wshngtnzn4 | PAETEC COMMUNICATIONS, INC. - MD | -- |
| 301-406 | Wshngtnzn2 | USA MOBILITY WIRELESS, INC. | -- |
| 301-407 | Gaithersbg | VERIZON MARYLAND, INC. | -- |
| 301-408 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-409 | Wsng236z13 | USA MOBILITY WIRELESS, INC. | -- |
| 301-410 | -- | [UNASSIGNED] | -- |
| 301-411 | -- | [UNASSIGNED] | -- |
| 301-412 | Wshngtnzn2 | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-413 | Wsngtnzn11 | VERIZON MARYLAND, INC. | -- |
| 301-414 | Damascs236 | VERIZON MARYLAND, INC. | -- |
| 301-415 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-416 | Myersville | VERIZON MARYLAND, INC. | -- |
| 301-417 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-418 | Frederick | VERIZON MARYLAND, INC. | 11/20/02 |
| 301-419 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-420 | Wshngtnzn5 | VERIZON MARYLAND, INC. | -- |
| 301-421 | Ashton236 | VERIZON MARYLAND, INC. | -- |
| 301-422 | Wshngtnzn4 | VERIZON MARYLAND, INC. | -- |
| 301-423 | Wshngtnzn5 | VERIZON MARYLAND, INC. | -- |
| 301-424 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-425 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-426 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-427 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-428 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-429 | Wshngtnzn4 | VERIZON MARYLAND, INC. | -- |
| 301-430 | Wsng236z14 | VERIZON MARYLAND, INC. | -- |
| 301-431 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-432 | Keedysvl | VERIZON MARYLAND, INC. | -- |
| 301-433 | Wshngtnzn5 | VERIZON MARYLAND, INC. | -- |
| 301-434 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-435 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-436 | Wshngtnzn4 | VERIZON MARYLAND, INC. | -- |
| 301-437 | Wshngtnzn3 | SPRINT SPECTRUM L.P. | -- |
| 301-438 | Wsngtnzn12 | VERIZON MARYLAND, INC. | -- |
| 301-439 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-440 | Wshngtnzn5 | SPRINT SPECTRUM L.P. | -- |
| 301-441 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-442 | Wshngtnzn3 | SPRINT SPECTRUM L.P. | -- |
| 301-443 | Wsngtnzn11 | VERIZON MARYLAND, INC. | -- |
| 301-444 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-445 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-446 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-447 | Emmitsburg | VERIZON MARYLAND, INC. | -- |
| 301-448 | Wshngtnzn3 | COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD | -- |
| 301-449 | Wshngtnzn5 | VERIZON MARYLAND, INC. | -- |
| 301-450 | -- | [UNASSIGNED] | -- |
| 301-451 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-452 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-453 | Kitzmiller | VERIZON MARYLAND, INC. | -- |
| 301-454 | Wshngtnzn4 | VERIZON MARYLAND, INC. | -- |
| 301-455 | Wshngtnzn3 | SPRINT SPECTRUM L.P. | -- |
| 301-456 | Wshngtnzn5 | COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD | -- |
| 301-457 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-458 | Wshngtnzn4 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | -- |
| 301-459 | Wshngtnzn4 | VERIZON MARYLAND, INC. | -- |
| 301-460 | Wsngtnzn11 | VERIZON MARYLAND, INC. | -- |
| 301-461 | Wsngtnzn10 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-462 | Myersville | SPRINT SPECTRUM L.P. - MD | -- |
| 301-463 | Lonaconing | VERIZON MARYLAND, INC. | -- |
| 301-464 | Wsng236z14 | VERIZON MARYLAND, INC. | -- |
| 301-465 | Myersville | SPRINT SPECTRUM L.P. - MD | -- |
| 301-466 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-467 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-468 | Wsngtnzn11 | VERIZON MARYLAND, INC. | -- |
| 301-469 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-470 | Wsng236z14 | VERIZON MARYLAND, INC. | -- |
| 301-471 | Frederick | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-472 | Mechancsvl | VERIZON MARYLAND, INC. | -- |
| 301-473 | Frederick | VERIZON MARYLAND, INC. | -- |
| 301-474 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-475 | Leonardtn | VERIZON MARYLAND, INC. | -- |
| 301-476 | Ashton236 | VERIZON MARYLAND, INC. | -- |
| 301-477 | Wsng236z13 | COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD | -- |
| 301-478 | Flintstone | VERIZON MARYLAND, INC. | -- |
| 301-479 | Wsng236z13 | MCI WORLDCOM COMMUNICATIONS, INC. - MD | -- |
| 301-480 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-481 | Leonardtn | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-482 | Damascs236 | VERIZON MARYLAND, INC. | -- |
| 301-483 | Laurel236 | VERIZON MARYLAND, INC. | -- |
| 301-484 | Wshngtnzn4 | COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD | -- |
| 301-485 | Wshngtnzn6 | COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD | -- |
| 301-486 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-487 | Myersville | VERIZON MARYLAND, INC. | -- |
| 301-488 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-489 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-490 | Laurel236 | VERIZON MARYLAND, INC. | -- |
| 301-491 | Hagerstown | USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD | -- |
| 301-492 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-493 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-494 | Wsng238z15 | VERIZON MARYLAND, INC. | -- |
| 301-495 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-496 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-497 | Laurel236 | VERIZON MARYLAND, INC. | -- |
| 301-498 | Laurel236 | VERIZON MARYLAND, INC. | -- |
| 301-499 | Wshngtnzn5 | VERIZON MARYLAND, INC. | -- |
| 301-500 | Wshngtnzn2 | XO MARYLAND, LLC | -- |
| 301-501 | Oakland | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-502 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-503 | Wshngtnzn2 | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-504 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-505 | Wshngtnzn6 | VERIZON MARYLAND, INC. | -- |
| 301-506 | Wsng236z13 | USA MOBILITY WIRELESS, INC. | -- |
| 301-507 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-508 | Myersville | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-509 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-510 | Wsng236z13 | USA MOBILITY WIRELESS, INC. | -- |
| 301-511 | -- | [UNASSIGNED] | -- |
| 301-512 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-513 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-514 | Frederick | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-515 | Gaithersbg | VERIZON MARYLAND, INC. | -- |
| 301-516 | Wshngtnzn5 | VERIZON MARYLAND, INC. | -- |
| 301-517 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-518 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-519 | Gaithersbg | VERIZON MARYLAND, INC. | -- |
| 301-520 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-521 | Wshngtnzn6 | VERIZON MARYLAND, INC. | -- |
| 301-522 | Wsngtnzn11 | VERIZON MARYLAND, INC. | -- |
| 301-523 | Wshngtnzn3 | SPRINT SPECTRUM L.P. | -- |
| 301-524 | Frederick | SPRINT SPECTRUM L.P. | -- |
| 301-525 | Gaithersbg | QUANTUM TELECOMMUNICATIONS, INC. - MD | 10/16/03 |
| 301-526 | Wshngtnzn3 | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-527 | Gaithersbg | VERIZON MARYLAND, INC. | -- |
| 301-528 | Gaithersbg | VERIZON MARYLAND, INC. | -- |
| 301-529 | Wsngtnzn10 | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-530 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-531 | Wshngtnzn4 | STARPOWER COMMUNICATIONS, LLC - MD | -- |
| 301-532 | Laurel238 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 2/20/15 |
| 301-533 | Oakland | VERIZON MARYLAND, INC. | -- |
| 301-534 | Indianhead | YMAX COMMUNICATIONS CORP. - MD | 11/15/06 |
| 301-535 | Waldorf | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-536 | Leonardtn | SPRINT SPECTRUM L.P. | -- |
| 301-537 | Wshngtnzn3 | SPRINT SPECTRUM L.P. | -- |
| 301-538 | Wshngtnzn2 | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-539 | La Plata | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | -- |
| 301-540 | Gaithersbg | VERIZON MARYLAND, INC. | -- |
| 301-541 | Wshngtnzn5 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | -- |
| 301-542 | Waldorf | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | -- |
| 301-543 | Laurel236 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | -- |
| 301-544 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-545 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-546 | Wshngtnzn4 | VERIZON MARYLAND, INC. | 4/7/14 |
| 301-547 | Wshngtnzn2 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | -- |
| 301-548 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-549 | Ashton236 | VERIZON MARYLAND, INC. | -- |
| 301-550 | -- | [UNASSIGNED] | -- |
| 301-551 | Wshngtnzn3 | BALTIMORE-WASHINGTON TELEPHONE (BWT) | -- |
| 301-552 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-553 | Waldorf | USA MOBILITY WIRELESS, INC. | -- |
| 301-554 | Wshngtnzn2 | USA MOBILITY WIRELESS, INC. | -- |
| 301-555 | Wshngtnzn4 | VERIZON MARYLAND, INC. | -- |
| 301-556 | Gaithersbg | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | -- |
| 301-557 | Wshngtnzn3 | BROADWING COMMUNICATIONS. LLC - MD | 9/6/11 |
| 301-558 | Wsng236z13 | USA MOBILITY WIRELESS, INC. | -- |
| 301-559 | Wshngtnzn4 | VERIZON MARYLAND, INC. | -- |
| 301-560 | Wshngtnzn4 | PAETEC COMMUNICATIONS, INC. - MD | -- |
| 301-561 | Wshngtnzn3 | BALTIMORE-WASHINGTON TELEPHONE (BWT) | -- |
| 301-562 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-563 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-564 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-565 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-566 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-567 | Wshngtnzn6 | VERIZON MARYLAND, INC. | -- |
| 301-568 | Wshngtnzn5 | VERIZON MARYLAND, INC. | -- |
| 301-569 | Gaithersbg | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-570 | Ashton236 | VERIZON MARYLAND, INC. | -- |
| 301-571 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-572 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-573 | Hagerstown | SPRINT SPECTRUM L.P. - MD | -- |
| 301-574 | Wsng236z15 | VERIZON MARYLAND, INC. | -- |
| 301-575 | Laurel236 | US LEC OF MARYLAND, INC. | -- |
| 301-576 | Wshngtnzn3 | PAETEC COMMUNICATIONS, INC. - MD | -- |
| 301-577 | Wshngtnzn4 | VERIZON MARYLAND, INC. | -- |
| 301-578 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-579 | Brandywine | VERIZON MARYLAND, INC. | -- |
| 301-580 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-581 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-582 | Hagerstown | VERIZON MARYLAND, INC. | -- |
| 301-583 | Wshngtnzn4 | VERIZON MARYLAND, INC. | -- |
| 301-584 | Wsngtnzn12 | BALTIMORE-WASHINGTON TELEPHONE (BWT) | -- |
| 301-585 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-586 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-587 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-588 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-589 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-590 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-591 | Gaithersbg | PAETEC COMMUNICATIONS, INC. - MD | -- |
| 301-592 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-593 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-594 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-595 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-596 | Laurel238 | VERIZON MARYLAND, INC. | -- |
| 301-597 | Hancock | NEW FRONTIERS TELECOMMUNICATIONS, INC. | -- |
| 301-598 | Wsngtnzn12 | VERIZON MARYLAND, INC. | -- |
| 301-599 | Wshngtnzn5 | VERIZON MARYLAND, INC. | -- |
| 301-600 | Frederick | VERIZON MARYLAND, INC. | 7/6/06 |
| 301-601 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-602 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-603 | Wsngtnzn11 | VERIZON MARYLAND, INC. | -- |
| 301-604 | Laurel236 | VERIZON MARYLAND, INC. | -- |
| 301-605 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-606 | Frederick | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-607 | Damascs240 | VERIZON MARYLAND, INC. | -- |
| 301-608 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-609 | Waldorf | VERIZON MARYLAND, INC. | -- |
| 301-610 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-611 | -- | [UNASSIGNED] | -- |
| 301-612 | Wsng238z14 | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | 10/11/12 |
| 301-613 | Wshngtnzn3 | SPRINT SPECTRUM L.P. | -- |
| 301-614 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-615 | Wsng236z13 | BANDWIDTH.COM CLEC, LLC - MD | -- |
| 301-616 | Oakland | USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD | -- |
| 301-617 | Laurel236 | VERIZON MARYLAND, INC. | -- |
| 301-618 | Wshngtnzn4 | VERIZON MARYLAND, INC. | -- |
| 301-619 | Frederick | VERIZON MARYLAND, INC. | -- |
| 301-620 | Frederick | VERIZON MARYLAND, INC. | -- |
| 301-621 | Wsng238z14 | VERIZON MARYLAND, INC. | -- |
| 301-622 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-623 | Wsng236z13 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | -- |
| 301-624 | Frederick | VERIZON MARYLAND, INC. | -- |
| 301-625 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-626 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-627 | Wsng236z15 | VERIZON MARYLAND, INC. | -- |
| 301-628 | Wshngtnzn3 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | -- |
| 301-629 | Wsng238z14 | VERIZON MARYLAND, INC. | -- |
| 301-630 | Wshngtnzn6 | VERIZON MARYLAND, INC. | -- |
| 301-631 | Frederick | VERIZON MARYLAND, INC. | -- |
| 301-632 | Waldorf | VERIZON MARYLAND, INC. | -- |
| 301-633 | Wshngtnzn2 | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-634 | Wshngtnzn2 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | -- |
| 301-635 | Myersville | NEW FRONTIERS TELECOMMUNICATIONS, INC. | -- |
| 301-636 | Wshngtnzn5 | VERIZON MARYLAND, INC. | -- |
| 301-637 | Wsngtnzn10 | LEVEL 3 COMMUNICATIONS, LLC - MD | -- |
| 301-638 | Waldorf | VERIZON MARYLAND, INC. | -- |
| 301-639 | Frederick | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-640 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-641 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-642 | Wshngtnzn2 | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-643 | Waldorf | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-644 | Frederick | VERIZON MARYLAND, INC. | -- |
| 301-645 | Waldorf | VERIZON MARYLAND, INC. | -- |
| 301-646 | Wshngtnzn2 | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-647 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-648 | Wshngtnzn2 | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-649 | Wsngtnzn11 | VERIZON MARYLAND, INC. | -- |
| 301-650 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-651 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-652 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-653 | Waldorf | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-654 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-655 | Wshngtnzn2 | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-656 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-657 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-658 | Ashton236 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | -- |
| 301-659 | Waldorf | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-660 | Keedysvl | NEW CINGULAR WIRELESS PCS, LLC - DC | 3/19/04 |
| 301-661 | Wshngtnzn2 | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-662 | Frederick | VERIZON MARYLAND, INC. | -- |
| 301-663 | Frederick | VERIZON MARYLAND, INC. | -- |
| 301-664 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-665 | Hagerstown | VERIZON MARYLAND, INC. | -- |
| 301-666 | Wsng236z14 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | -- |
| 301-667 | Myersville | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-668 | Frederick | VERIZON MARYLAND, INC. | -- |
| 301-669 | Wshngtnzn5 | VERIZON MARYLAND, INC. | -- |
| 301-670 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-671 | Hagerstown | NEW FRONTIERS TELECOMMUNICATIONS, INC. | -- |
| 301-672 | Lxtnpkgrml | SPRINT SPECTRUM L.P. | -- |
| 301-673 | Frederick | NEW FRONTIERS TELECOMMUNICATIONS, INC. | -- |
| 301-674 | Wshngtnzn2 | SPRINT SPECTRUM L.P. | -- |
| 301-675 | Wshngtnzn3 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | -- |
| 301-676 | Frederick | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-677 | Wsng236z14 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | -- |
| 301-678 | Hancock | VERIZON MARYLAND, INC. | -- |
| 301-679 | Wsngtnzn12 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | -- |
| 301-680 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-681 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-682 | Frederick | VERIZON MARYLAND, INC. | -- |
| 301-683 | Wshngtnzn4 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | -- |
| 301-684 | Indianhead | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | -- |
| 301-685 | Damascs236 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | -- |
| 301-686 | Wshngtnzn6 | VERIZON MARYLAND, INC. | -- |
| 301-687 | Frostburg | VERIZON MARYLAND, INC. | -- |
| 301-688 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-689 | Frostburg | VERIZON MARYLAND, INC. | -- |
| 301-690 | Leonardtn | IDT AMERICA CORP - MD | 5/23/07 |
| 301-691 | Poolesvl | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | -- |
| 301-692 | Wsngtnzn11 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | -- |
| 301-693 | Frederick | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | -- |
| 301-694 | Frederick | VERIZON MARYLAND, INC. | -- |
| 301-695 | Frederick | VERIZON MARYLAND, INC. | -- |
| 301-696 | Frederick | VERIZON MARYLAND, INC. | -- |
| 301-697 | Cumberland | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-698 | Frederick | VERIZON MARYLAND, INC. | -- |
| 301-699 | Wshngtnzn4 | VERIZON MARYLAND, INC. | -- |
| 301-700 | -- | [UNASSIGNED] | -- |
| 301-701 | Wsng236z13 | BANDWIDTH.COM CLEC, LLC - MD | -- |
| 301-702 | Wshngtnzn5 | VERIZON MARYLAND, INC. | -- |
| 301-703 | Mount Airy | LEVEL 3 COMMUNICATIONS, LLC - MD | 8/29/02 |
| 301-704 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-705 | Waldorf | VERIZON MARYLAND, INC. | -- |
| 301-706 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-707 | Cumberland | USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD | -- |
| 301-708 | Laurel238 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 9/20/11 |
| 301-709 | Cumberland | CSC WIRELESS, LLC | 5/28/19 |
| 301-710 | Waldorf | LEVEL 3 COMMUNICATIONS, LLC - MD | 12/30/05 |
| 301-711 | -- | [UNASSIGNED] | -- |
| 301-712 | Frederick | MCI WORLDCOM COMMUNICATIONS, INC. - MD | -- |
| 301-713 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-714 | Hagerstown | VERIZON MARYLAND, INC. | -- |
| 301-715 | Wsng236z15 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | -- |
| 301-716 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-717 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-718 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-719 | Wsngtnzn16 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | -- |
| 301-720 | Brandywine | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | -- |
| 301-721 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-722 | Cumberland | VERIZON MARYLAND, INC. | -- |
| 301-723 | Cumberland | VERIZON MARYLAND, INC. | -- |
| 301-724 | Cumberland | VERIZON MARYLAND, INC. | -- |
| 301-725 | Laurel236 | VERIZON MARYLAND, INC. | -- |
| 301-726 | -- | [UNASSIGNED] | -- |
| 301-727 | Wshngtnzn5 | BALTIMORE-WASHINGTON TELEPHONE (BWT) | -- |
| 301-728 | Wshngtnzn3 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | -- |
| 301-729 | Cumberland | VERIZON MARYLAND, INC. | -- |
| 301-730 | Myersville | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-731 | Wshngtnzn4 | VERIZON MARYLAND, INC. | -- |
| 301-732 | Frederick | METRO PCS, INC. | -- |
| 301-733 | Hagerstown | VERIZON MARYLAND, INC. | -- |
| 301-734 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-735 | Wshngtnzn5 | VERIZON MARYLAND, INC. | -- |
| 301-736 | Wshngtnzn5 | VERIZON MARYLAND, INC. | -- |
| 301-737 | Lxtnpkgrml | VERIZON MARYLAND, INC. | -- |
| 301-738 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-739 | Hagerstown | VERIZON MARYLAND, INC. | -- |
| 301-740 | Gaithersbg | VERIZON MARYLAND, INC. | 4/22/04 |
| 301-741 | Laurel236 | LEVEL 3 COMMUNICATIONS, LLC - MD | -- |
| 301-742 | Wshngtnzn2 | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-743 | Indianhead | VERIZON MARYLAND, INC. | -- |
| 301-744 | Indianhead | VERIZON MARYLAND, INC. | -- |
| 301-745 | Hagerstown | VERIZON MARYLAND, INC. | -- |
| 301-746 | Friendsvl | VERIZON MARYLAND, INC. | -- |
| 301-747 | Wshngtnzn6 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | -- |
| 301-748 | Frederick | SPRINT SPECTRUM L.P. | -- |
| 301-749 | Wshngtnzn6 | VERIZON MARYLAND, INC. | -- |
| 301-750 | Friendsvl | CORE COMMUNICATIONS, INC. - MD | 3/18/04 |
| 301-751 | Waldorf | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-752 | Waldorf | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-753 | Wshngtnzn6 | VERIZON MARYLAND, INC. | -- |
| 301-754 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-755 | Wshngtnzn3 | MCI WORLDCOM COMMUNICATIONS, INC. - MD | -- |
| 301-756 | Wsng236z14 | LEVEL 3 TELECOM OF MARYLAND, LLC - MD | -- |
| 301-757 | Lxtnpkgrml | VERIZON MARYLAND, INC. | -- |
| 301-758 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-759 | Cumberland | VERIZON MARYLAND, INC. | -- |
| 301-760 | Wshngtnzn2 | LEVEL 3 COMMUNICATIONS, LLC - MD | 2/27/02 |
| 301-761 | Wsngtnzn11 | LEVEL 3 COMMUNICATIONS, LLC - MD | 2/27/02 |
| 301-762 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-763 | Wshngtnzn5 | VERIZON MARYLAND, INC. | -- |
| 301-764 | Waldorf | VERIZON MARYLAND, INC. | -- |
| 301-765 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-766 | Hagerstown | VERIZON MARYLAND, INC. | -- |
| 301-767 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-768 | Wshngtnzn3 | LEVEL 3 COMMUNICATIONS, LLC - MD | 2/27/02 |
| 301-769 | Leonardtn | VERIZON MARYLAND, INC. | -- |
| 301-770 | Wsngtnzn11 | VERIZON MARYLAND, INC. | -- |
| 301-771 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-772 | Wshngtnzn4 | VERIZON MARYLAND, INC. | -- |
| 301-773 | Wshngtnzn4 | VERIZON MARYLAND, INC. | -- |
| 301-774 | Ashton236 | VERIZON MARYLAND, INC. | -- |
| 301-775 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-776 | Laurel236 | VERIZON MARYLAND, INC. | -- |
| 301-777 | Cumberland | VERIZON MARYLAND, INC. | -- |
| 301-778 | Wshngtnzn5 | MCI WORLDCOM COMMUNICATIONS, INC. - MD | -- |
| 301-779 | Wshngtnzn4 | VERIZON MARYLAND, INC. | -- |
| 301-780 | Wsng236z15 | VERIZON MARYLAND, INC. | -- |
| 301-781 | Frostburg | NEW FRONTIERS TELECOMMUNICATIONS, INC. | -- |
| 301-782 | Brandywine | VERIZON MARYLAND, INC. | -- |
| 301-783 | Cumberland | NEW FRONTIERS TELECOMMUNICATIONS, INC. | -- |
| 301-784 | Cumberland | VERIZON MARYLAND, INC. | -- |
| 301-785 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-786 | Mccoole | VERIZON MARYLAND, INC. | -- |
| 301-787 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-788 | Frederick | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-789 | Wshngtnzn4 | CORE COMMUNICATIONS, INC. - MD | 8/13/02 |
| 301-790 | Hagerstown | VERIZON MARYLAND, INC. | -- |
| 301-791 | Hagerstown | VERIZON MARYLAND, INC. | -- |
| 301-792 | Wshngtnzn3 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | -- |
| 301-793 | Wshngtnzn3 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | -- |
| 301-794 | Wsng236z14 | VERIZON MARYLAND, INC. | -- |
| 301-795 | Wsngtnzn10 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | -- |
| 301-796 | Wsng236z13 | VERIZON MARYLAND, INC. | 6/30/03 |
| 301-797 | Hagerstown | VERIZON MARYLAND, INC. | -- |
| 301-798 | Damascs240 | VERIZON MARYLAND, INC. | -- |
| 301-799 | Keedysvl | CORE COMMUNICATIONS, INC. - MD | 3/18/04 |
| 301-800 | Hagerstown | SPRINT SPECTRUM L.P. - MD | -- |
| 301-801 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-802 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-803 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-804 | Ashton236 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | -- |
| 301-805 | Wsng236z14 | VERIZON MARYLAND, INC. | -- |
| 301-806 | Wshngtnzn3 | SPRINT SPECTRUM L.P. | -- |
| 301-807 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-808 | Wshngtnzn5 | VERIZON MARYLAND, INC. | -- |
| 301-809 | Wsng236z14 | VERIZON MARYLAND, INC. | -- |
| 301-810 | Buckeystn | AT&T LOCAL | -- |
| 301-811 | -- | [UNASSIGNED] | -- |
| 301-812 | Wsng238z15 | VERIZON MARYLAND, INC. | -- |
| 301-813 | Wshngtnzn2 | BALTIMORE-WASHINGTON TELEPHONE (BWT) | -- |
| 301-814 | Wshngtnzn2 | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-815 | Frederick | VERIZON MARYLAND, INC. | -- |
| 301-816 | Wsngtnzn11 | VERIZON MARYLAND, INC. | -- |
| 301-817 | Wshngtnzn5 | VERIZON MARYLAND, INC. | -- |
| 301-818 | Waldorf | BANDWIDTH.COM CLEC, LLC - MD | -- |
| 301-819 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-820 | Gaithersbg | AT&T LOCAL | -- |
| 301-821 | Laurel236 | AT&T LOCAL | -- |
| 301-822 | Wsngtnzn11 | AT&T LOCAL | -- |
| 301-823 | Wsng236z13 | AT&T LOCAL | -- |
| 301-824 | Smithsburg | VERIZON MARYLAND, INC. | -- |
| 301-825 | Wsngtnzn10 | AT&T LOCAL | -- |
| 301-826 | Lxtnpkgrml | VERIZON MARYLAND, INC. | -- |
| 301-827 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-828 | Wshngtnzn2 | AT&T LOCAL | -- |
| 301-829 | Mount Airy | VERIZON MARYLAND, INC. | -- |
| 301-830 | Wshngtnzn3 | AT&T LOCAL | -- |
| 301-831 | Damascs240 | VERIZON MARYLAND, INC. | -- |
| 301-832 | Wshngtnzn4 | AT&T LOCAL | -- |
| 301-833 | Wsng236z14 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | -- |
| 301-834 | Brunswick | VERIZON MARYLAND, INC. | -- |
| 301-835 | Frederick | VONAGE NETWORK INC. | 11/27/18 |
| 301-836 | Wshngtnzn5 | VERIZON MARYLAND, INC. | -- |
| 301-837 | Wsng236z13 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | -- |
| 301-838 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-839 | Wshngtnzn6 | VERIZON MARYLAND, INC. | -- |
| 301-840 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-841 | Wshngtnzn2 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | -- |
| 301-842 | Clear Spg | VERIZON MARYLAND, INC. | -- |
| 301-843 | Wshngtnzn6 | VERIZON MARYLAND, INC. | -- |
| 301-844 | Wshngtnzn3 | SPRINT SPECTRUM L.P. | 10/4/11 |
| 301-845 | Walkersvl | VERIZON MARYLAND, INC. | -- |
| 301-846 | Frederick | VERIZON MARYLAND, INC. | -- |
| 301-847 | Wsngtnzn12 | VERIZON MARYLAND, INC. | -- |
| 301-848 | Waldorf | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-849 | Oakland | NEW FRONTIERS TELECOMMUNICATIONS, INC. | -- |
| 301-850 | Wsng236z14 | LEVEL 3 COMMUNICATIONS, LLC - MD | -- |
| 301-851 | Wshngtnzn4 | VERIZON MARYLAND, INC. | -- |
| 301-852 | Wshngtnzn4 | VERIZON MARYLAND, INC. | -- |
| 301-853 | Wshngtnzn4 | VERIZON MARYLAND, INC. | -- |
| 301-854 | Ashton238 | VERIZON MARYLAND, INC. | -- |
| 301-855 | Wsng238z15 | VERIZON MARYLAND, INC. | -- |
| 301-856 | Wsngtnzn16 | VERIZON MARYLAND, INC. | -- |
| 301-857 | Clear Spg | CORE COMMUNICATIONS, INC. - MD | 7/12/02 |
| 301-858 | Wsng238z14 | VERIZON MARYLAND, INC. | -- |
| 301-859 | Oakland | LEVEL 3 COMMUNICATIONS, LLC - MD | 1/9/02 |
| 301-860 | Wsng236z14 | VERIZON MARYLAND, INC. | -- |
| 301-861 | Waldorf | LEVEL 3 COMMUNICATIONS, LLC - MD | -- |
| 301-862 | Lxtnpkgrml | VERIZON MARYLAND, INC. | -- |
| 301-863 | Lxtnpkgrml | VERIZON MARYLAND, INC. | -- |
| 301-864 | Wshngtnzn4 | VERIZON MARYLAND, INC. | -- |
| 301-865 | New Market | VERIZON MARYLAND, INC. | -- |
| 301-866 | Lxtnpkgrml | VERIZON MARYLAND, INC. | -- |
| 301-867 | Wsng236z14 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | -- |
| 301-868 | Wsngtnzn16 | VERIZON MARYLAND, INC. | -- |
| 301-869 | Gaithersbg | VERIZON MARYLAND, INC. | -- |
| 301-870 | Wshngtnzn6 | VERIZON MARYLAND, INC. | -- |
| 301-871 | Wsngtnzn11 | VERIZON MARYLAND, INC. | -- |
| 301-872 | Ridge | VERIZON MARYLAND, INC. | -- |
| 301-873 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-874 | Buckeystn | VERIZON MARYLAND, INC. | -- |
| 301-875 | Laurel236 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-876 | Cumberland | LEVEL 3 COMMUNICATIONS, LLC - MD | 5/2/02 |
| 301-877 | Wsngtnzn16 | VERIZON MARYLAND, INC. | -- |
| 301-878 | Baltimore | MCI WORLDCOM COMMUNICATIONS, INC. - MD | -- |
| 301-879 | Wsngtnzn12 | VERIZON MARYLAND, INC. | -- |
| 301-880 | Lxtnpkgrml | LEVEL 3 COMMUNICATIONS, LLC - MD | -- |
| 301-881 | Wsngtnzn11 | VERIZON MARYLAND, INC. | -- |
| 301-882 | New Market | CORE COMMUNICATIONS, INC. - MD | 3/18/04 |
| 301-883 | Wshngtnzn5 | VERIZON MARYLAND, INC. | -- |
| 301-884 | Mechancsvl | VERIZON MARYLAND, INC. | -- |
| 301-885 | Waldorf | VERIZON MARYLAND, INC. | -- |
| 301-886 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-887 | Wshngtnzn4 | VERIZON MARYLAND, INC. | -- |
| 301-888 | Wsngtnzn16 | VERIZON MARYLAND, INC. | -- |
| 301-889 | Wsng238z14 | VERIZON MARYLAND, INC. | -- |
| 301-890 | Wsngtnzn12 | VERIZON MARYLAND, INC. | -- |
| 301-891 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-892 | Wshngtnzn4 | VERIZON MARYLAND, INC. | 3/11/05 |
| 301-893 | Wshngtnzn6 | VERIZON MARYLAND, INC. | -- |
| 301-894 | Wshngtnzn6 | VERIZON MARYLAND, INC. | -- |
| 301-895 | Grantsvl | VERIZON MARYLAND, INC. | -- |
| 301-896 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-897 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-898 | Frederick | VERIZON MARYLAND, INC. | -- |
| 301-899 | Wshngtnzn5 | VERIZON MARYLAND, INC. | -- |
| 301-900 | Wshngtnzn2 | ONVOY, LLC - MD | 2/18/15 |
| 301-901 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-902 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-903 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-904 | Leonardtn | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-905 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-906 | Wshngtnzn2 | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-907 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-908 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-909 | Wshngtnzn5 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | -- |
| 301-910 | Wshngtnzn2 | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-911 | -- | [UNASSIGNED] | -- |
| 301-912 | Wsng238z14 | VERIZON MARYLAND, INC. | -- |
| 301-913 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-914 | Oakland | MOUNTAIN COMMUNICATIONS, LLC DBA PROCOM - MD | 12/27/12 |
| 301-915 | Wshngtnzn2 | STARPOWER COMMUNICATIONS, LLC - MD | -- |
| 301-916 | Gaithersbg | VERIZON MARYLAND, INC. | -- |
| 301-917 | Wsngtnzn10 | STARPOWER COMMUNICATIONS, LLC - MD | -- |
| 301-918 | Wshngtnzn4 | VERIZON MARYLAND, INC. | -- |
| 301-919 | Wshngtnzn2 | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-920 | Wshngtnzn3 | STARPOWER COMMUNICATIONS, LLC - MD | -- |
| 301-921 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-922 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-923 | Wsng236z13 | BANDWIDTH.COM CLEC, LLC - MD | -- |
| 301-924 | Wsngtnzn12 | VERIZON MARYLAND, INC. | -- |
| 301-925 | Wshngtnzn5 | VERIZON MARYLAND, INC. | -- |
| 301-926 | Gaithersbg | VERIZON MARYLAND, INC. | -- |
| 301-927 | Wshngtnzn4 | VERIZON MARYLAND, INC. | -- |
| 301-928 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-929 | Wsngtnzn11 | VERIZON MARYLAND, INC. | -- |
| 301-930 | Wshngtnzn3 | VERIZON MARYLAND, INC. | -- |
| 301-931 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-932 | Waldorf | VERIZON MARYLAND, INC. | -- |
| 301-933 | Wsngtnzn11 | VERIZON MARYLAND, INC. | -- |
| 301-934 | La Plata | VERIZON MARYLAND, INC. | -- |
| 301-935 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-936 | Hagerstown | TELNYX LLC | 6/2/17 |
| 301-937 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-938 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-939 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-940 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-941 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-942 | Wsngtnzn11 | VERIZON MARYLAND, INC. | -- |
| 301-943 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-944 | Gaithersbg | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | -- |
| 301-945 | Wsngtnzn11 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | -- |
| 301-946 | Wsngtnzn11 | VERIZON MARYLAND, INC. | -- |
| 301-947 | Gaithersbg | VERIZON MARYLAND, INC. | -- |
| 301-948 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-949 | Wsngtnzn11 | VERIZON MARYLAND, INC. | -- |
| 301-950 | -- | [UNASSIGNED] | -- |
| 301-951 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-952 | Wsng236z15 | VERIZON MARYLAND, INC. | -- |
| 301-953 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-954 | Wshngtnzn4 | VERIZON MARYLAND, INC. | -- |
| 301-955 | Wshngtnzn4 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | -- |
| 301-956 | Gaithersbg | VERIZON MARYLAND, INC. | 5/22/02 |
| 301-957 | Laurel236 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | -- |
| 301-958 | -- | [UNASSIGNED] | -- |
| 301-959 | -- | [UNASSIGNED] | -- |
| 301-960 | Wshngtnzn3 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | -- |
| 301-961 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-962 | Wsngtnzn11 | VERIZON MARYLAND, INC. | -- |
| 301-963 | Gaithersbg | VERIZON MARYLAND, INC. | -- |
| 301-964 | Myersville | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 301-965 | Wshngtnzn6 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | -- |
| 301-966 | Wsngtnzn12 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | -- |
| 301-967 | Wshngtnzn5 | VERIZON MARYLAND, INC. | -- |
| 301-968 | Wshngtnzn2 | MCI WORLDCOM COMMUNICATIONS, INC. - MD | -- |
| 301-969 | Brunswick | COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD | 3/6/07 |
| 301-970 | Wsng238z14 | VERIZON MARYLAND, INC. | -- |
| 301-971 | Wshngtnzn6 | STARPOWER COMMUNICATIONS, LLC - MD | -- |
| 301-972 | Gaithersbg | VERIZON MARYLAND, INC. | -- |
| 301-973 | Wsng238z14 | BANDWIDTH.COM CLEC, LLC - MD | -- |
| 301-974 | Laurel236 | STARPOWER COMMUNICATIONS, LLC - MD | -- |
| 301-975 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-976 | Wshngtnzn5 | BALTIMORE-WASHINGTON TELEPHONE (BWT) | -- |
| 301-977 | Gaithersbg | VERIZON MARYLAND, INC. | -- |
| 301-978 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-979 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-980 | Wshngtnzn3 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 301-981 | Wshngtnzn5 | LEVEL 3 TELECOM OF MARYLAND, LLC - MD | -- |
| 301-982 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-983 | Wsngtnzn10 | VERIZON MARYLAND, INC. | -- |
| 301-984 | Wsngtnzn11 | VERIZON MARYLAND, INC. | -- |
| 301-985 | Wshngtnzn4 | VERIZON MARYLAND, INC. | -- |
| 301-986 | Wshngtnzn2 | VERIZON MARYLAND, INC. | -- |
| 301-987 | Gaithersbg | VERIZON MARYLAND, INC. | -- |
| 301-988 | Hagerstown | USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD | -- |
| 301-989 | Wsngtnzn12 | VERIZON MARYLAND, INC. | -- |
| 301-990 | Gaithersbg | VERIZON MARYLAND, INC. | -- |
| 301-991 | Hagerstown | SPRINT SPECTRUM L.P. - MD | -- |
| 301-992 | Hagerstown | SPRINT SPECTRUM L.P. - MD | -- |
| 301-993 | Wsng236z13 | VERIZON MARYLAND, INC. | -- |
| 301-994 | Lxtnpkgrml | VERIZON MARYLAND, INC. | -- |
| 301-995 | Lxtnpkgrml | VERIZON MARYLAND, INC. | -- |
| 301-996 | Wshngtnzn3 | SPRINT SPECTRUM L.P. | -- |
| 301-997 | Leonardtn | VERIZON MARYLAND, INC. | -- |
| 301-998 | Wsngtnzn11 | VERIZON MARYLAND, INC. | -- |
| 301-999 | Hagerstown | VERIZON MARYLAND, INC. | -- |
Maryland Area Codes