443 Area Code
Baltimore & suburbs, Maryland
Area Code Information
| Area Code: | 443 |
| Major City: | Baltimore & suburbs |
| State/Region: | Maryland (MD) |
| Time Zone: | Eastern |
| Current Local Time: | 5:03 PM |
| In Service Since: | 6/1/97 |
| Overlay: | Yes (443/410/443/667) |
Other Area Codes in Maryland
Prefixes & Exchanges
Showing 800 prefixes for area code 443
| Prefix | Location | Company | Assigned |
|---|---|---|---|
| 443-200 | Woodlawn | XO MARYLAND, LLC | 2/21/01 |
| 443-201 | Westminstr | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 443-202 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 1/9/12 |
| 443-203 | West River | VERIZON MARYLAND, INC. | -- |
| 443-204 | Pikesville | NEW CINGULAR WIRELESS PCS, LLC - DC | 5/15/03 |
| 443-205 | Cambridge | SPRINT SPECTRUM L.P. | 1/20/04 |
| 443-206 | Perryville | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 443-207 | Elkton | OMNIPOINT COMMUNICATIONS ENTERPRISES, L.P. | -- |
| 443-208 | Baltimore | SPRINT SPECTRUM L.P. | 2/1/11 |
| 443-209 | Havregrace | CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD | -- |
| 443-210 | Salisbury | SPRINT SPECTRUM L.P. | 9/30/11 |
| 443-211 | -- | [UNASSIGNED] | -- |
| 443-212 | Sparksglnc | US LEC OF MARYLAND, INC. | -- |
| 443-213 | Pikesville | VERIZON MARYLAND, INC. | -- |
| 443-214 | Annapolis | NEW CINGULAR WIRELESS PCS, LLC - DC | 10/11/11 |
| 443-215 | Chestertn | CORE COMMUNICATIONS, INC. - MD | -- |
| 443-216 | Dundalk | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | -- |
| 443-217 | Annapolis | CORE COMMUNICATIONS, INC. - MD | -- |
| 443-218 | Worthingtn | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-219 | Parkville | LEVEL 3 COMMUNICATIONS, LLC - MD | -- |
| 443-220 | Baltimore | VERIZON MARYLAND, INC. | -- |
| 443-221 | Annapolis | LEVEL 3 COMMUNICATIONS, LLC - MD | -- |
| 443-222 | Worthingtn | XO MARYLAND, LLC | -- |
| 443-223 | Annapolis | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 443-224 | Baltimore | MCI WORLDCOM COMMUNICATIONS, INC. - MD | -- |
| 443-225 | Cambridge | SPRINT SPECTRUM L.P. | 1/20/04 |
| 443-226 | Baltimore | SPRINT SPECTRUM L.P. | -- |
| 443-227 | Pt Deposit | CTC COMMUNICATIONS CORP. - MD | -- |
| 443-228 | Chase | US LEC OF MARYLAND, INC. | -- |
| 443-229 | Severna Pk | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 5/10/01 |
| 443-230 | Odenton | CTC COMMUNICATIONS CORP. - MD | -- |
| 443-231 | Essex | AT&T LOCAL | -- |
| 443-232 | Willards | CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD | -- |
| 443-233 | Vienna | CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD | -- |
| 443-234 | Snow Hill | CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD | -- |
| 443-235 | Salisbury | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 443-236 | Cardiff | CORE COMMUNICATIONS, INC. - MD | -- |
| 443-237 | Northbeach | CORE COMMUNICATIONS, INC. - MD | -- |
| 443-238 | Parkton | CTC COMMUNICATIONS CORP. - MD | -- |
| 443-239 | Easton | NEW CINGULAR WIRELESS PCS, LLC - DC | 1/20/04 |
| 443-240 | Baltimore | NEW CINGULAR WIRELESS PCS, LLC - DC | 1/27/12 |
| 443-241 | Westminstr | ONVOY, LLC - MD | -- |
| 443-242 | Sparrowspt | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 5/10/01 |
| 443-243 | Fallston | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 443-244 | Westminstr | LEVEL 3 COMMUNICATIONS, LLC - MD | -- |
| 443-245 | Elkton | CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD | -- |
| 443-246 | Elkton | CORE COMMUNICATIONS, INC. - MD | -- |
| 443-247 | Union Bdg | CTC COMMUNICATIONS CORP. - MD | -- |
| 443-248 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 1/15/07 |
| 443-249 | Stevensvl | VERIZON MARYLAND, INC. | -- |
| 443-250 | Baltimore | SPRINT SPECTRUM L.P. | -- |
| 443-251 | Catonsvl | LOCAL ACCESS LLC - MD | 8/16/13 |
| 443-252 | Perryville | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 9/8/09 |
| 443-253 | Baltimore | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 443-254 | Annapolis | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | -- |
| 443-255 | Baltimore | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 443-256 | North East | CTC COMMUNICATIONS CORP. - MD | -- |
| 443-257 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 443-258 | Easton | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 443-259 | Columbia | VERIZON MARYLAND, INC. | -- |
| 443-260 | Salisbury | VERIZON MARYLAND, INC. | -- |
| 443-261 | Severna Pk | MCI WORLDCOM COMMUNICATIONS, INC. - MD | -- |
| 443-262 | Centrevl | VERIZON MARYLAND, INC. | -- |
| 443-263 | Baltimore | VERIZON MARYLAND, INC. | -- |
| 443-264 | Pikesville | XO MARYLAND, LLC | -- |
| 443-265 | Fork | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 5/10/01 |
| 443-266 | Glenwood | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-267 | Darlington | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-268 | Baltimore | CORE COMMUNICATIONS, INC. - MD | -- |
| 443-269 | Towson | XO MARYLAND, LLC | -- |
| 443-270 | Glenburnie | PAETEC COMMUNICATIONS, INC. - MD | -- |
| 443-271 | Baltimore | SPRINT SPECTRUM L.P. | 10/21/02 |
| 443-272 | Randallstn | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-273 | Reisterstn | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-274 | Severn | VERIZON MARYLAND, INC. | -- |
| 443-275 | Towson | COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD | -- |
| 443-276 | Columbia | XO MARYLAND, LLC | -- |
| 443-277 | Sykesville | SPRINT SPECTRUM L.P. | -- |
| 443-278 | Baltimore | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | 10/2/03 |
| 443-279 | Towson | XO MARYLAND, LLC | -- |
| 443-280 | Sykesville | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 443-281 | Cockeysvl | XO MARYLAND, LLC | -- |
| 443-282 | Chestertn | SPRINT SPECTRUM L.P. | 10/4/04 |
| 443-283 | Columbia | PAETEC COMMUNICATIONS, INC. - MD | -- |
| 443-284 | Waterlo238 | XO MARYLAND, LLC | -- |
| 443-285 | Columbia | VERIZON MARYLAND, INC. | -- |
| 443-286 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 443-287 | Baltimore | VERIZON MARYLAND, INC. | -- |
| 443-288 | Ellicottcy | XO MARYLAND, LLC | -- |
| 443-289 | Westminstr | MCI WORLDCOM COMMUNICATIONS, INC. - MD | 5/16/11 |
| 443-290 | Parkville | LEVEL 3 TELECOM OF MARYLAND, LLC - MD | -- |
| 443-291 | Hampstead | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-292 | Crofton | LEVEL 3 COMMUNICATIONS, LLC - MD | -- |
| 443-293 | Westminstr | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-294 | West River | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-295 | Princefrck | LEVEL 3 COMMUNICATIONS, LLC - MD | -- |
| 443-296 | Waterlo238 | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-297 | Arbutus | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-298 | Easton | NEW CINGULAR WIRELESS PCS, LLC - DC | 11/15/02 |
| 443-299 | Fallston | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-300 | Sykesville | BROADWING COMMUNICATIONS. LLC - MD | -- |
| 443-301 | Baltimore | NEW CINGULAR WIRELESS PCS, LLC - DC | 4/5/12 |
| 443-302 | Crofton | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-303 | Aberdeen | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-304 | Arbutus | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-305 | Argrgbsnis | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-306 | Severna Pk | SPRINT SPECTRUM L.P. | -- |
| 443-307 | Bel Air | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-308 | Severn | XO MARYLAND, LLC | -- |
| 443-309 | Elkton | SPRINT SPECTRUM L.P. | -- |
| 443-310 | Baltimore | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 443-311 | -- | [UNASSIGNED] | -- |
| 443-312 | Brynpklncm | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-313 | Fork | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-314 | Baltimore | SPRINT SPECTRUM L.P. | 2/1/11 |
| 443-315 | Catonsvl | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-316 | Woodlawn | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-317 | Chase | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-318 | Cockeysvl | CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD | -- |
| 443-319 | Columbia | CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD | -- |
| 443-320 | Baltimore | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-321 | Annapolis | PAETEC COMMUNICATIONS, INC. - MD | -- |
| 443-322 | Towson | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 5/10/01 |
| 443-323 | Sharptown | CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD | -- |
| 443-324 | Baltimore | SPRINT SPECTRUM L.P. | -- |
| 443-325 | Ellicottcy | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | -- |
| 443-326 | Baltimore | NEW CINGULAR WIRELESS PCS, LLC - DC | 2/21/01 |
| 443-327 | Aberdeen | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | -- |
| 443-328 | Sykesville | CTC COMMUNICATIONS CORP. - MD | -- |
| 443-329 | Waterlo236 | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-330 | Cockeysvl | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | -- |
| 443-331 | Taneytown | CTC COMMUNICATIONS CORP. - MD | -- |
| 443-332 | Crofton | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 5/9/01 |
| 443-333 | Annapolis | NEW CINGULAR WIRELESS PCS, LLC - DC | 2/13/09 |
| 443-334 | Pikesville | XO MARYLAND, LLC | 3/14/01 |
| 443-335 | Brynpklncm | XO MARYLAND, LLC | -- |
| 443-336 | Annapolis | SPRINT SPECTRUM L.P. | -- |
| 443-337 | Sparrowspt | XO MARYLAND, LLC | -- |
| 443-338 | Sparksglnc | CTC COMMUNICATIONS CORP. - MD | -- |
| 443-339 | Sherwd For | CTC COMMUNICATIONS CORP. - MD | -- |
| 443-340 | Westminstr | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 443-341 | Catonsvl | LEVEL 3 COMMUNICATIONS, LLC - MD | -- |
| 443-342 | Solomons | CTC COMMUNICATIONS CORP. - MD | -- |
| 443-343 | Millersvl | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-344 | Severna Pk | CORE COMMUNICATIONS, INC. - MD | -- |
| 443-345 | Aberdeen | LEVEL 3 COMMUNICATIONS, LLC - MD | -- |
| 443-346 | Severna Pk | XO MARYLAND, LLC | -- |
| 443-347 | Cardiff | CTC COMMUNICATIONS CORP. - MD | -- |
| 443-348 | Woodlawn | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-349 | Silver Run | CORE COMMUNICATIONS, INC. - MD | -- |
| 443-350 | Elkton | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 443-351 | Odenton | US LEC OF MARYLAND, INC. | -- |
| 443-352 | Pikesville | AT&T LOCAL | -- |
| 443-353 | Cockeysvl | VERIZON MARYLAND, INC. | 3/19/04 |
| 443-354 | Glenburnie | LEVEL 3 COMMUNICATIONS, LLC - MD | -- |
| 443-355 | Ellicottcy | LEVEL 3 COMMUNICATIONS, LLC - MD | -- |
| 443-356 | Bel Air | LEVEL 3 COMMUNICATIONS, LLC - MD | -- |
| 443-357 | Pikesville | VERIZON MARYLAND, INC. | -- |
| 443-358 | Salisbury | YMAX COMMUNICATIONS CORP. - MD | 2/17/11 |
| 443-359 | Delmar | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 443-360 | Aberdeen | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-361 | Sykesville | CORE COMMUNICATIONS, INC. - MD | -- |
| 443-362 | Easton | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | -- |
| 443-363 | Severn | XO MARYLAND, LLC | -- |
| 443-364 | Ellicottcy | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-365 | Salisbury | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | -- |
| 443-366 | Salisbury | SPRINT SPECTRUM L.P. | 4/17/01 |
| 443-367 | Columbia | VERIZON MARYLAND, INC. | -- |
| 443-368 | Westminstr | CORE COMMUNICATIONS, INC. - MD | -- |
| 443-369 | Bel Air | CORE COMMUNICATIONS, INC. - MD | -- |
| 443-370 | Annapolis | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 443-371 | Bel Air | BROADWING COMMUNICATIONS. LLC - MD | -- |
| 443-372 | Edgewood | US LEC OF MARYLAND, INC. | 3/19/01 |
| 443-373 | Ocean City | SPRINT SPECTRUM L.P. | -- |
| 443-374 | Aberdeen | CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD | -- |
| 443-375 | Hampstead | SPRINT SPECTRUM L.P. | -- |
| 443-376 | Dundalk | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-377 | Towson | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 6/9/10 |
| 443-378 | Baltimore | SPRINT SPECTRUM L.P. | 7/27/04 |
| 443-379 | Pikesville | COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD | 2/23/07 |
| 443-380 | Woodlawn | LEVEL 3 COMMUNICATIONS, LLC - MD | -- |
| 443-381 | Reisterstn | XO MARYLAND, LLC | -- |
| 443-382 | Cambridge | CORE COMMUNICATIONS, INC. - MD | -- |
| 443-383 | Silver Run | CTC COMMUNICATIONS CORP. - MD | -- |
| 443-384 | Parkville | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | -- |
| 443-385 | Easton | CORE COMMUNICATIONS, INC. - MD | -- |
| 443-386 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 443-387 | Pocomoke | CORE COMMUNICATIONS, INC. - MD | -- |
| 443-388 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 4/13/06 |
| 443-389 | Salisbury | CORE COMMUNICATIONS, INC. - MD | -- |
| 443-390 | Churchvl | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-391 | Cockeysvl | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-392 | Baltimore | AT&T LOCAL | -- |
| 443-393 | Columbia | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-394 | Pikesville | VERIZON MARYLAND, INC. | -- |
| 443-395 | Aberdeen | VERIZON MARYLAND, INC. | 8/13/09 |
| 443-396 | Odenton | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-397 | Salisbury | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 4/6/09 |
| 443-398 | Sykesville | SPRINT SPECTRUM L.P. | 3/15/01 |
| 443-399 | Dundalk | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-400 | Brynpklncm | XO MARYLAND, LLC | -- |
| 443-401 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 10/17/11 |
| 443-402 | Edgewood | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-403 | Aberdeen | BROADWING COMMUNICATIONS. LLC - MD | 6/20/01 |
| 443-404 | Solomons | SPRINT SPECTRUM L.P. | -- |
| 443-405 | Randallstn | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-406 | Elkton | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-407 | Dundalk | XO MARYLAND, LLC | -- |
| 443-408 | Sparrowspt | XO MARYLAND, LLC | -- |
| 443-409 | Edgewood | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | -- |
| 443-410 | Glenburnie | CENTURYLINK COMMUNICATIONS LLC | 6/21/13 |
| 443-411 | -- | [UNASSIGNED] | -- |
| 443-412 | Churchvl | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-413 | Baltimore | SPRINT SPECTRUM L.P. | -- |
| 443-414 | Baltimore | SPRINT SPECTRUM L.P. | -- |
| 443-415 | Baltimore | SPRINT SPECTRUM L.P. | -- |
| 443-416 | Baltimore | SPRINT SPECTRUM L.P. | -- |
| 443-417 | Fallston | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-418 | Baltimore | SPRINT SPECTRUM L.P. | -- |
| 443-419 | Glenwood | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | -- |
| 443-420 | Ellicottcy | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-421 | Fork | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 443-422 | Glenburnie | NEW CINGULAR WIRELESS PCS, LLC - DC | 2/13/09 |
| 443-423 | Baltimore | BROADWING COMMUNICATIONS. LLC - MD | -- |
| 443-424 | Cardiff | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-425 | Parkville | AT&T LOCAL | -- |
| 443-426 | Randallstn | PAETEC COMMUNICATIONS, INC. - MD | -- |
| 443-427 | Princeanne | CORE COMMUNICATIONS, INC. - MD | -- |
| 443-428 | Cockeysvl | CORE COMMUNICATIONS, INC. - MD | -- |
| 443-429 | Woodlawn | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | -- |
| 443-430 | Columbia | XO MARYLAND, LLC | 5/18/01 |
| 443-431 | Randallstn | XO MARYLAND, LLC | -- |
| 443-432 | Princefrck | CTC COMMUNICATIONS CORP. - MD | -- |
| 443-433 | Annapolis | XO MARYLAND, LLC | 2/21/01 |
| 443-434 | Federalsbg | COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD | 11/1/04 |
| 443-435 | Baltimore | SPRINT SPECTRUM L.P. | 2/1/11 |
| 443-436 | Woodlawn | VERIZON MARYLAND, INC. | -- |
| 443-437 | Pocomoke | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | 11/1/04 |
| 443-438 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 10/8/08 |
| 443-439 | Trappe | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 11/1/04 |
| 443-440 | Annapolis | VERIZON MARYLAND, INC. | -- |
| 443-441 | Glenwood | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-442 | Parkville | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 5/9/01 |
| 443-443 | -- | [UNASSIGNED] | -- |
| 443-444 | Baltimore | VERIZON MARYLAND, INC. | -- |
| 443-445 | Elkridge | VERIZON MARYLAND, INC. | -- |
| 443-446 | Queenstown | MCI WORLDCOM COMMUNICATIONS, INC. - MD | 11/1/04 |
| 443-447 | Baltimore | NEW CINGULAR WIRELESS PCS, LLC - DC | 12/15/08 |
| 443-448 | Denton | COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD | 11/1/04 |
| 443-449 | Baltimore | BROADVIEW NETWORKS, INC. - MD | 3/28/07 |
| 443-450 | Pikesville | LEVEL 3 COMMUNICATIONS, LLC - MD | -- |
| 443-451 | Baltimore | PAETEC COMMUNICATIONS, INC. - MD | -- |
| 443-452 | Baltimore | US LEC OF MARYLAND, INC. | 9/7/05 |
| 443-453 | Baltimore | ONVOY, LLC - MD | 10/12/07 |
| 443-454 | Annapolis | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | -- |
| 443-455 | Baltimore | VERIZON MARYLAND, INC. | 3/9/06 |
| 443-456 | Edgewood | AT&T LOCAL | -- |
| 443-457 | Brynpklncm | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-458 | Annapolis | XO MARYLAND, LLC | -- |
| 443-459 | Elkridge | PAETEC COMMUNICATIONS, INC. - MD | -- |
| 443-460 | Essex | XO MARYLAND, LLC | -- |
| 443-461 | Parkville | US LEC OF MARYLAND, INC. | -- |
| 443-462 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 11/6/08 |
| 443-463 | Baltimore | SPRINT SPECTRUM L.P. | -- |
| 443-464 | Churchvl | BROADVIEW NETWORKS, INC. - MD | 3/16/10 |
| 443-465 | Towson | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 443-466 | Elkton | SPRINT SPECTRUM L.P. | -- |
| 443-467 | Baltimore | NEW CINGULAR WIRELESS PCS, LLC - DC | 3/20/09 |
| 443-468 | Baltimore | SPRINT SPECTRUM L.P. | 4/4/07 |
| 443-469 | Baltimore | NEW CINGULAR WIRELESS PCS, LLC - DC | 3/20/09 |
| 443-470 | Towson | US LEC OF MARYLAND, INC. | 4/29/08 |
| 443-471 | Pikesville | US LEC OF MARYLAND, INC. | -- |
| 443-472 | Columbia | LEVEL 3 COMMUNICATIONS, LLC - MD | -- |
| 443-473 | Baltimore | SPRINT SPECTRUM L.P. | 3/28/07 |
| 443-474 | Catonsvl | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 443-475 | Baltimore | MCI WORLDCOM COMMUNICATIONS, INC. - MD | 6/1/11 |
| 443-476 | Annapolis | VERIZON MARYLAND, INC. | -- |
| 443-477 | Cambridge | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 1/13/07 |
| 443-478 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 3/6/09 |
| 443-479 | Waterlo236 | VERIZON MARYLAND, INC. | -- |
| 443-480 | Chestertn | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 443-481 | Annapolis | US LEC OF MARYLAND, INC. | -- |
| 443-482 | Annapolis | VERIZON MARYLAND, INC. | -- |
| 443-483 | Cardiff | BROADWING COMMUNICATIONS. LLC - MD | -- |
| 443-484 | Edgewood | BROADWING COMMUNICATIONS. LLC - MD | -- |
| 443-485 | Elkton | BROADWING COMMUNICATIONS. LLC - MD | -- |
| 443-486 | Princefrck | BROADWING COMMUNICATIONS. LLC - MD | -- |
| 443-487 | Westminstr | BROADWING COMMUNICATIONS. LLC - MD | -- |
| 443-488 | Baltimore | NEW CINGULAR WIRELESS PCS, LLC - DC | 6/23/10 |
| 443-489 | Chase | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-490 | Edgewood | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-491 | Parkton | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-492 | Elkridge | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-493 | Delmar | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 3/6/09 |
| 443-494 | Millersvl | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-495 | Parkville | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-496 | Easton | SPRINT SPECTRUM L.P. | -- |
| 443-497 | Salisbury | SPRINT SPECTRUM L.P. | -- |
| 443-498 | Catonsvl | XO MARYLAND, LLC | -- |
| 443-499 | Jarrettsvl | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-500 | Baltimore | NEW CINGULAR WIRELESS PCS, LLC - DC | 3/20/09 |
| 443-501 | Pikesville | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-502 | Havregrace | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-503 | Dundalk | XO MARYLAND, LLC | -- |
| 443-504 | Fallston | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | -- |
| 443-505 | Essex | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-506 | Baltimore | SPRINT SPECTRUM L.P. | -- |
| 443-507 | Hampstead | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-508 | Hampstead | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | -- |
| 443-509 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 2/10/09 |
| 443-510 | Annapolis | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 12/4/07 |
| 443-511 | -- | [UNASSIGNED] | -- |
| 443-512 | Edgewood | VERIZON MARYLAND, INC. | -- |
| 443-513 | Berlin | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 443-514 | Catonsvl | US LEC OF MARYLAND, INC. | -- |
| 443-515 | Cambridge | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 6/8/09 |
| 443-516 | Sykesville | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-517 | Glenburnie | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-518 | Columbia | VERIZON MARYLAND, INC. | 12/16/08 |
| 443-519 | Towson | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-520 | Catonsvl | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 443-521 | Cambridge | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 443-522 | Reisterstn | PAETEC COMMUNICATIONS, INC. - MD | -- |
| 443-523 | Salisbury | VERIZON MARYLAND, INC. | -- |
| 443-524 | Baltimore | XO MARYLAND, LLC | -- |
| 443-525 | Baltimore | NEW CINGULAR WIRELESS PCS, LLC - DC | 3/20/09 |
| 443-526 | Havregrace | CTC COMMUNICATIONS CORP. - MD | -- |
| 443-527 | Baltimore | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 3/19/01 |
| 443-528 | Bel Air | SPRINT SPECTRUM L.P. | -- |
| 443-529 | Baltimore | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 7/22/08 |
| 443-530 | Dundalk | PAETEC COMMUNICATIONS, INC. - MD | -- |
| 443-531 | Baltimore | NEW CINGULAR WIRELESS PCS, LLC - DC | 3/20/09 |
| 443-532 | Princefrck | SPRINT SPECTRUM L.P. | -- |
| 443-533 | Jarrettsvl | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-534 | Annapolis | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 1/15/01 |
| 443-535 | Columbia | VERIZON MARYLAND, INC. | -- |
| 443-536 | Westminstr | SPRINT SPECTRUM L.P. | -- |
| 443-537 | Columbia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 443-538 | Columbia | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6/20/01 |
| 443-539 | Columbia | US LEC OF MARYLAND, INC. | -- |
| 443-540 | Baltimore | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 443-541 | Cockeysvl | PAETEC COMMUNICATIONS, INC. - MD | -- |
| 443-542 | Columbia | COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD | -- |
| 443-543 | Arbutus | VERIZON MARYLAND, INC. | -- |
| 443-544 | Pikesville | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 5/10/01 |
| 443-545 | Columbia | BROADWING COMMUNICATIONS. LLC - MD | 5/18/01 |
| 443-546 | Columbia | VERIZON MARYLAND, INC. | -- |
| 443-547 | Westminstr | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 5/7/09 |
| 443-548 | Pikesville | XO MARYLAND, LLC | -- |
| 443-549 | Dundalk | US LEC OF MARYLAND, INC. | -- |
| 443-550 | Northbeach | LEVEL 3 COMMUNICATIONS, LLC - MD | -- |
| 443-551 | Woodlawn | LEVEL 3 COMMUNICATIONS, LLC - MD | -- |
| 443-552 | Baltimore | VERIZON MARYLAND, INC. | -- |
| 443-553 | Elkton | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 443-554 | Chase | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 7/23/01 |
| 443-555 | Baltimore | VERIZON MARYLAND, INC. | -- |
| 443-556 | Cockeysvl | VERIZON MARYLAND, INC. | -- |
| 443-557 | Glenburnie | XO MARYLAND, LLC | -- |
| 443-558 | Aberdeen | XO MARYLAND, LLC | 1/15/01 |
| 443-559 | Essex | COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD | -- |
| 443-560 | Baltimore | SPRINT SPECTRUM L.P. | 7/18/11 |
| 443-561 | Elkridge | US LEC OF MARYLAND, INC. | -- |
| 443-562 | Baltimore | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 443-563 | Baltimore | SPRINT SPECTRUM L.P. | 11/14/06 |
| 443-564 | Towson | LEVEL 3 COMMUNICATIONS, LLC - MD | -- |
| 443-565 | Randallstn | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 5/10/01 |
| 443-566 | Chesapkecy | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 9/16/04 |
| 443-567 | Bel Air | LEVEL 3 COMMUNICATIONS, LLC - MD | -- |
| 443-568 | Arbutus | XO MARYLAND, LLC | -- |
| 443-569 | Annapolis | LEVEL 3 COMMUNICATIONS, LLC - MD | -- |
| 443-570 | Baltimore | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | -- |
| 443-571 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 12/6/11 |
| 443-572 | Glenburnie | VERIZON MARYLAND, INC. | -- |
| 443-573 | Baltimore | US LEC OF MARYLAND, INC. | -- |
| 443-574 | Ellicottcy | US LEC OF MARYLAND, INC. | -- |
| 443-575 | Arbutus | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 5/10/01 |
| 443-576 | Randallstn | XO MARYLAND, LLC | 2/21/01 |
| 443-577 | Glenburnie | US LEC OF MARYLAND, INC. | -- |
| 443-578 | Cockeysvl | XO MARYLAND, LLC | -- |
| 443-579 | Essex | US LEC OF MARYLAND, INC. | -- |
| 443-580 | Baltimore | SPRINT SPECTRUM L.P. | 8/25/11 |
| 443-581 | Chase | XO MARYLAND, LLC | -- |
| 443-582 | Churchvl | CTC COMMUNICATIONS CORP. - MD | -- |
| 443-583 | Columbia | CTC COMMUNICATIONS CORP. - MD | -- |
| 443-584 | Crofton | CTC COMMUNICATIONS CORP. - MD | -- |
| 443-585 | Darlington | CTC COMMUNICATIONS CORP. - MD | -- |
| 443-586 | Dundalk | XO MARYLAND, LLC | -- |
| 443-587 | Edgewood | CTC COMMUNICATIONS CORP. - MD | -- |
| 443-588 | Parkville | XO MARYLAND, LLC | -- |
| 443-589 | Cockeysvl | US LEC OF MARYLAND, INC. | -- |
| 443-590 | Reisterstn | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-591 | Glenburnie | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 5/7/09 |
| 443-592 | Elkridge | XO MARYLAND, LLC | 9/10/13 |
| 443-593 | Elkton | CTC COMMUNICATIONS CORP. - MD | -- |
| 443-594 | Sparrowspt | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-595 | Sparksglnc | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-596 | Essex | XO MARYLAND, LLC | -- |
| 443-597 | Severna Pk | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-598 | Sherwd For | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-599 | Severn | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-600 | Essex | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 7/23/01 |
| 443-601 | Fallston | CTC COMMUNICATIONS CORP. - MD | -- |
| 443-602 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 2/15/07 |
| 443-603 | Annapolis | PAETEC COMMUNICATIONS, INC. - MD | -- |
| 443-604 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 443-605 | Westminstr | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | -- |
| 443-606 | Fork | CTC COMMUNICATIONS CORP. - MD | -- |
| 443-607 | West River | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | -- |
| 443-608 | Towson | NEW CINGULAR WIRELESS PCS, LLC - DC | 2/27/09 |
| 443-609 | Sykesville | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | -- |
| 443-610 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 443-611 | -- | [UNASSIGNED] | -- |
| 443-612 | Catonsvl | VERIZON MARYLAND, INC. | -- |
| 443-613 | Towson | NEW CINGULAR WIRELESS PCS, LLC - DC | 2/27/09 |
| 443-614 | Salisbury | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 7/23/01 |
| 443-615 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 5/10/07 |
| 443-616 | Bel Air | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | -- |
| 443-617 | Fallston | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 4/11/05 |
| 443-618 | Glenburnie | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 443-619 | Bel Air | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 6/5/09 |
| 443-620 | Waterlo238 | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-621 | Baltimore | SPRINT SPECTRUM L.P. | -- |
| 443-622 | Baltimore | SPRINT SPECTRUM L.P. | -- |
| 443-623 | Glenburnie | SPRINT SPECTRUM L.P. | 8/20/02 |
| 443-624 | Princefrck | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 3/6/02 |
| 443-625 | Fork | BROADWING COMMUNICATIONS. LLC - MD | 2/21/01 |
| 443-626 | Chase | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 5/10/01 |
| 443-627 | Baltimore | VERIZON MARYLAND, INC. | 9/26/06 |
| 443-628 | Glenburnie | XO MARYLAND, LLC | -- |
| 443-629 | Baltimore | SPRINT SPECTRUM L.P. | -- |
| 443-630 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 5/8/08 |
| 443-631 | Catonsvl | NEW CINGULAR WIRELESS PCS, LLC - DC | 8/16/05 |
| 443-632 | Towson | US LEC OF MARYLAND, INC. | -- |
| 443-633 | Baltimore | SPRINT SPECTRUM L.P. | 7/18/11 |
| 443-634 | Waterlo236 | VERIZON MARYLAND, INC. | 11/9/11 |
| 443-635 | Baltimore | NEW CINGULAR WIRELESS PCS, LLC - DC | 10/14/09 |
| 443-636 | Catonsvl | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | -- |
| 443-637 | Argrgbsnis | XO MARYLAND, LLC | 2/21/01 |
| 443-638 | Ellicottcy | GLOBAL NAPS SOUTH, INC. - MD | -- |
| 443-639 | Hampstead | CTC COMMUNICATIONS CORP. - MD | -- |
| 443-640 | Bel Air | US LEC OF MARYLAND, INC. | 5/18/01 |
| 443-641 | Pikesville | BROADWING COMMUNICATIONS. LLC - MD | 5/18/01 |
| 443-642 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 11/8/06 |
| 443-643 | Bel Air | VERIZON MARYLAND, INC. | -- |
| 443-644 | Jarrettsvl | CTC COMMUNICATIONS CORP. - MD | -- |
| 443-645 | Millersvl | CTC COMMUNICATIONS CORP. - MD | -- |
| 443-646 | Northbeach | CTC COMMUNICATIONS CORP. - MD | -- |
| 443-647 | Newwindsor | CTC COMMUNICATIONS CORP. - MD | -- |
| 443-648 | Essex | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-649 | Sparrowspt | US LEC OF MARYLAND, INC. | 6/20/01 |
| 443-650 | Reisterstn | XO MARYLAND, LLC | 2/20/01 |
| 443-651 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 7/8/11 |
| 443-652 | Towson | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | -- |
| 443-653 | Parkville | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 5/18/01 |
| 443-654 | Waterlo236 | VERIZON MARYLAND, INC. | 8/28/08 |
| 443-655 | Bel Air | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 443-656 | Columbia | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 5/10/01 |
| 443-657 | Randallstn | LEVEL 3 TELECOM OF MARYLAND, LLC - MD | -- |
| 443-658 | Woodlawn | ONVOY, LLC - MD | -- |
| 443-659 | West River | ONVOY, LLC - MD | -- |
| 443-660 | Pikesville | COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD | -- |
| 443-661 | Waterlo238 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | -- |
| 443-662 | Sparksglnc | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 5/10/01 |
| 443-663 | Woodlawn | VERIZON MARYLAND, INC. | -- |
| 443-664 | Ocean City | CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD | -- |
| 443-665 | Nanticoke | CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD | -- |
| 443-666 | Chestertn | LEVEL 3 COMMUNICATIONS, LLC - MD | 5/23/12 |
| 443-667 | -- | [UNASSIGNED] | -- |
| 443-668 | Catonsvl | NEW CINGULAR WIRELESS PCS, LLC - DC | 1/15/01 |
| 443-669 | Delmar | CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD | -- |
| 443-670 | Catonsvl | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 5/10/01 |
| 443-671 | Newwindsor | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-672 | Parkton | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-673 | Brynpklncm | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 5/10/01 |
| 443-674 | North East | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-675 | Randallstn | CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD | -- |
| 443-676 | Baltimore | NEW CINGULAR WIRELESS PCS, LLC - DC | 6/20/01 |
| 443-677 | Baltimore | SPRINT SPECTRUM L.P. | 3/15/01 |
| 443-678 | Parkville | VERIZON MARYLAND, INC. | -- |
| 443-679 | Severn | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-680 | Baltimore | SPRINT SPECTRUM L.P. | 9/27/10 |
| 443-681 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 6/5/09 |
| 443-682 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 12/19/06 |
| 443-683 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 4/9/07 |
| 443-684 | Princefrck | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 10/8/08 |
| 443-685 | Severn | CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD | -- |
| 443-686 | Fallston | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 443-687 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 9/8/09 |
| 443-688 | Severn | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 5/10/01 |
| 443-689 | Cockeysvl | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 5/10/01 |
| 443-690 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 443-691 | Baltimore | NEW CINGULAR WIRELESS PCS, LLC - DC | 1/15/01 |
| 443-692 | Baltimore | XO MARYLAND, LLC | -- |
| 443-693 | Perryville | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-694 | Severna Pk | SPRINT SPECTRUM L.P. | 4/20/01 |
| 443-695 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 443-696 | Dundalk | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 5/10/01 |
| 443-697 | Catonsvl | GLOBAL NAPS SOUTH, INC. - MD | -- |
| 443-698 | Odenton | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-699 | Annapolis | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 8/10/11 |
| 443-700 | -- | [UNASSIGNED] | -- |
| 443-701 | Arbutus | XO MARYLAND, LLC | -- |
| 443-702 | Argrgbsnis | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 5/10/01 |
| 443-703 | Baltimore | XO MARYLAND, LLC | -- |
| 443-704 | Odenton | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 5/10/01 |
| 443-705 | Cockeysvl | XO MARYLAND, LLC | -- |
| 443-706 | Crisfield | CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD | -- |
| 443-707 | Aberdeen | LOCAL ACCESS LLC - MD | 6/11/14 |
| 443-708 | Baltimore | LEVEL 3 TELECOM OF MARYLAND, LLC - MD | -- |
| 443-709 | Arbutus | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | -- |
| 443-710 | Catonsvl | XO MARYLAND, LLC | -- |
| 443-711 | -- | [UNASSIGNED] | -- |
| 443-712 | Reisterstn | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | -- |
| 443-713 | Glenburnie | PEERLESS NETWORK OF MARYLAND, LLC | 9/19/12 |
| 443-714 | Annapolis | SPRINT SPECTRUM L.P. | 9/30/11 |
| 443-715 | North East | CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD | -- |
| 443-716 | Annapolis | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | -- |
| 443-717 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 9/14/05 |
| 443-718 | Columbia | US LEC OF MARYLAND, INC. | 3/5/08 |
| 443-719 | Jarrettsvl | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | -- |
| 443-720 | Aberdeen | XO MARYLAND, LLC | 11/27/12 |
| 443-721 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 7/6/09 |
| 443-722 | Baltimore | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 3/9/01 |
| 443-723 | Baltimore | SPRINT SPECTRUM L.P. | 10/6/11 |
| 443-724 | Easton | CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD | -- |
| 443-725 | Parkville | PAETEC COMMUNICATIONS, INC. - MD | -- |
| 443-726 | Baltimore | SPRINT SPECTRUM L.P. | 10/6/11 |
| 443-727 | Bishopvl | CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD | -- |
| 443-728 | Berlin | CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD | -- |
| 443-729 | Woodlawn | PAETEC COMMUNICATIONS, INC. - MD | -- |
| 443-730 | Essex | PAETEC COMMUNICATIONS, INC. - MD | -- |
| 443-731 | Pt Deposit | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-732 | Silver Run | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-733 | Waterlo238 | AT&T LOCAL | -- |
| 443-734 | Severn | VERIZON MARYLAND, INC. | -- |
| 443-735 | Salisbury | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 443-736 | Salisbury | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 443-737 | Waterlo238 | PAETEC COMMUNICATIONS, INC. - MD | -- |
| 443-738 | Pikesville | PAETEC COMMUNICATIONS, INC. - MD | -- |
| 443-739 | Baltimore | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 7/23/01 |
| 443-740 | Baltimore | TELCOVE OPERATIONS, INC. - MD | 2/3/05 |
| 443-741 | Columbia | MCI WORLDCOM COMMUNICATIONS, INC. - MD | 3/29/11 |
| 443-742 | Baltimore | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 443-743 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 4/7/08 |
| 443-744 | Reisterstn | SPRINT SPECTRUM L.P. | 7/2/02 |
| 443-745 | Columbia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 443-746 | Easton | LEVEL 3 COMMUNICATIONS, LLC - MD | 2/22/02 |
| 443-747 | Pt Deposit | CORE COMMUNICATIONS, INC. - MD | 2/22/02 |
| 443-748 | Millersvl | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 5/11/01 |
| 443-749 | Glenburnie | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | -- |
| 443-750 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 6/8/10 |
| 443-751 | Woodlawn | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 5/11/01 |
| 443-752 | Bel Air | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 10/17/01 |
| 443-753 | Waterlo236 | ALLEGIANCE TELECOM, INC. - MD | -- |
| 443-754 | Salisbury | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 6/9/10 |
| 443-755 | Waterlo238 | VERIZON MARYLAND, INC. | -- |
| 443-756 | Baltimore | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 443-757 | Elkridge | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 5/11/01 |
| 443-758 | Annapolis | AT&T LOCAL | -- |
| 443-759 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 10/29/07 |
| 443-760 | Aberdeen | AT&T LOCAL | -- |
| 443-761 | Towson | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 5/28/08 |
| 443-762 | Baltimore | SPRINT SPECTRUM L.P. | 1/10/01 |
| 443-763 | Glenburnie | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | -- |
| 443-764 | Glenburnie | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 8/21/08 |
| 443-765 | Catonsvl | NEW CINGULAR WIRELESS PCS, LLC - DC | 7/23/01 |
| 443-766 | Columbia | US LEC OF MARYLAND, INC. | 5/18/05 |
| 443-767 | Worthingtn | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 5/11/01 |
| 443-768 | Baltimore | SPRINT SPECTRUM L.P. | 5/18/01 |
| 443-769 | Baltimore | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 9/16/08 |
| 443-770 | Argrgbsnis | VERIZON MARYLAND, INC. | -- |
| 443-771 | Princefrck | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 9/8/10 |
| 443-772 | Essex | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 7/23/01 |
| 443-773 | Brynpklncm | XO MARYLAND, LLC | -- |
| 443-774 | Columbia | NEW CINGULAR WIRELESS PCS, LLC - DC | 11/19/18 |
| 443-775 | Annapolis | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 10/8/14 |
| 443-776 | Elkridge | BANDWIDTH.COM CLEC, LLC - MD | 1/17/14 |
| 443-777 | Essex | VERIZON MARYLAND, INC. | -- |
| 443-778 | Waterlo236 | VERIZON MARYLAND, INC. | -- |
| 443-779 | Aberdeen | XO MARYLAND, LLC | -- |
| 443-780 | Woodlawn | US LEC OF MARYLAND, INC. | 7/23/01 |
| 443-781 | Argrgbsnis | XO MARYLAND, LLC | -- |
| 443-782 | Annapolis | XO MARYLAND, LLC | -- |
| 443-783 | Salisbury | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 443-784 | Argrgbsnis | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-785 | Arbutus | ONVOY, LLC - MD | -- |
| 443-786 | Easton | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 443-787 | Bel Air | CTC COMMUNICATIONS CORP. - MD | -- |
| 443-788 | Aberdeen | XO MARYLAND, LLC | 12/14/13 |
| 443-789 | Westminstr | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 443-790 | Glenburnie | SPRINT SPECTRUM L.P. | 11/19/01 |
| 443-791 | Towson | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 443-792 | Brynpklncm | VERIZON MARYLAND, INC. | 10/18/07 |
| 443-793 | Parkville | XO MARYLAND, LLC | -- |
| 443-794 | Baltimore | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 443-795 | Severn | XO MARYLAND, LLC | -- |
| 443-796 | Pikesville | XO MARYLAND, LLC | -- |
| 443-797 | Towson | XO MARYLAND, LLC | -- |
| 443-798 | Towson | LEVEL 3 TELECOM OF MARYLAND, LLC - MD | -- |
| 443-799 | Baltimore | NEW CINGULAR WIRELESS PCS, LLC - DC | 7/23/01 |
| 443-800 | Baltimore | SPRINT SPECTRUM L.P. | 1/31/11 |
| 443-801 | Baltimore | SPRINT SPECTRUM L.P. | -- |
| 443-802 | Baltimore | SPRINT SPECTRUM L.P. | -- |
| 443-803 | Baltimore | SPRINT SPECTRUM L.P. | -- |
| 443-804 | Baltimore | SPRINT SPECTRUM L.P. | -- |
| 443-805 | Glenburnie | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 7/24/08 |
| 443-806 | Baltimore | SPRINT SPECTRUM L.P. | 3/8/06 |
| 443-807 | Fallston | SPRINT SPECTRUM L.P. | -- |
| 443-808 | Annapolis | BANDWIDTH.COM CLEC, LLC - MD | 4/4/14 |
| 443-809 | Towson | LEVEL 3 COMMUNICATIONS, LLC - MD | 6/13/14 |
| 443-810 | Baltimore | SPRINT SPECTRUM L.P. | 9/4/08 |
| 443-811 | -- | [UNASSIGNED] | -- |
| 443-812 | Columbia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 1/15/01 |
| 443-813 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 9/14/07 |
| 443-814 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 6/15/10 |
| 443-815 | Essex | XO MARYLAND, LLC | -- |
| 443-816 | Severna Pk | XO MARYLAND, LLC | -- |
| 443-817 | Argrgbsnis | XO MARYLAND, LLC | -- |
| 443-818 | Argrgbsnis | LEVEL 3 COMMUNICATIONS, LLC - MD | 12/30/05 |
| 443-819 | Bel Air | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 1/21/15 |
| 443-820 | Elkridge | PAETEC COMMUNICATIONS, INC. - MD | -- |
| 443-821 | Westminstr | SPRINT SPECTRUM L.P. | 7/13/10 |
| 443-822 | Annapolis | SPRINT SPECTRUM L.P. | -- |
| 443-823 | Towson | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 7/13/06 |
| 443-824 | Towson | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 5/18/01 |
| 443-825 | Baltimore | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 11/29/06 |
| 443-826 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 6/25/10 |
| 443-827 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 443-828 | Ellicottcy | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 5/11/01 |
| 443-829 | Baltimore | SPRINT SPECTRUM L.P. | -- |
| 443-830 | Catonsvl | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 8/21/01 |
| 443-831 | Baltimore | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 443-832 | Columbia | LEVEL 3 COMMUNICATIONS, LLC - MD | -- |
| 443-833 | Arbutus | US LEC OF MARYLAND, INC. | -- |
| 443-834 | Towson | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | -- |
| 443-835 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 12/11/08 |
| 443-836 | Baltimore | XO MARYLAND, LLC | 1/21/13 |
| 443-837 | Annapolis | US LEC OF MARYLAND, INC. | 9/24/01 |
| 443-838 | Baltimore | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 443-839 | Baltimore | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 4/17/06 |
| 443-840 | Catonsvl | NEW CINGULAR WIRELESS PCS, LLC - DC | 5/4/05 |
| 443-841 | Towson | VERIZON MARYLAND, INC. | -- |
| 443-842 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 3/10/11 |
| 443-843 | Havregrace | VERIZON MARYLAND, INC. | -- |
| 443-844 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 2/13/06 |
| 443-845 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 443-846 | Towson | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 443-847 | Towson | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 10/12/06 |
| 443-848 | Glenburnie | SPRINT SPECTRUM L.P. | -- |
| 443-849 | Towson | VERIZON MARYLAND, INC. | 5/18/01 |
| 443-850 | Baltimore | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 9/24/01 |
| 443-851 | Catonsvl | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 8/21/01 |
| 443-852 | Annapolis | NEW CINGULAR WIRELESS PCS, LLC - DC | 8/21/01 |
| 443-853 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 7/27/10 |
| 443-854 | Baltimore | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 11/19/01 |
| 443-855 | Aberdeen | LIGHTWAVE COMMUNICATIONS, LLC - MD | 5/20/05 |
| 443-856 | Ocean City | CORE COMMUNICATIONS, INC. - MD | 7/2/02 |
| 443-857 | Baltimore | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | -- |
| 443-858 | Baltimore | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | -- |
| 443-859 | Salisbury | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | -- |
| 443-860 | Catonsvl | NEW CINGULAR WIRELESS PCS, LLC - DC | 5/4/05 |
| 443-861 | Aberdeen | VERIZON MARYLAND, INC. | 8/13/09 |
| 443-862 | Towson | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 10/7/11 |
| 443-863 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 8/9/10 |
| 443-864 | Columbia | SPRINT SPECTRUM L.P. | 12/19/01 |
| 443-865 | Baltimore | SPRINT SPECTRUM L.P. | 4/19/02 |
| 443-866 | Bel Air | SPRINT SPECTRUM L.P. | 7/2/02 |
| 443-867 | Glenburnie | PAETEC COMMUNICATIONS, INC. - MD | -- |
| 443-868 | Essex | VERIZON MARYLAND, INC. | -- |
| 443-869 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 6/12/06 |
| 443-870 | Pikesville | LEVEL 3 TELECOM OF MARYLAND, LLC - MD | -- |
| 443-871 | Annapolis | SPRINT SPECTRUM L.P. | -- |
| 443-872 | Baltimore | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | -- |
| 443-873 | Baltimore | BROADVOX-CLEC, LLC - MD | 2/23/10 |
| 443-874 | Baltimore | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | -- |
| 443-875 | Annapolis | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 443-876 | Bel Air | SPRINT SPECTRUM L.P. | -- |
| 443-877 | North East | LEVEL 3 COMMUNICATIONS, LLC - MD | -- |
| 443-878 | Columbia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | -- |
| 443-879 | Dundalk | VERIZON MARYLAND, INC. | -- |
| 443-880 | Salisbury | AT&T LOCAL | -- |
| 443-881 | Reisterstn | METRO PCS, INC. | -- |
| 443-882 | Baltimore | SPRINT SPECTRUM L.P. | 2/1/11 |
| 443-883 | Glenburnie | AT&T LOCAL | -- |
| 443-884 | Baltimore | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | -- |
| 443-885 | Baltimore | VERIZON MARYLAND, INC. | -- |
| 443-886 | Cockeysvl | AT&T LOCAL | -- |
| 443-887 | Catonsvl | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 5/5/10 |
| 443-888 | Princeanne | CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD | 1/6/11 |
| 443-889 | Glenburnie | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 4/20/01 |
| 443-890 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 8/10/11 |
| 443-891 | Glenburnie | XO MARYLAND, LLC | -- |
| 443-892 | Newwindsor | BANDWIDTH.COM CLEC, LLC - MD | 8/11/11 |
| 443-893 | Woodlawn | XO MARYLAND, LLC | -- |
| 443-894 | Baltimore | SPRINT SPECTRUM L.P. | 6/30/11 |
| 443-895 | Towson | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 4/9/07 |
| 443-896 | Columbia | AT&T LOCAL | -- |
| 443-897 | Baltimore | NEW CINGULAR WIRELESS PCS, LLC - DC | 4/12/11 |
| 443-898 | Pikesville | LEVEL 3 COMMUNICATIONS, LLC - MD | 12/8/05 |
| 443-899 | Waterlo238 | BROADWING COMMUNICATIONS. LLC - MD | -- |
| 443-900 | Towson | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 5/23/12 |
| 443-901 | Towson | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 8/21/01 |
| 443-902 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 1/6/11 |
| 443-903 | Bel Air | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 9/7/11 |
| 443-904 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 10/17/01 |
| 443-905 | Annapolis | SPRINT SPECTRUM L.P. | 8/12/11 |
| 443-906 | Severna Pk | PEERLESS NETWORK OF MARYLAND, LLC | 9/20/12 |
| 443-907 | Elkton | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 4/20/01 |
| 443-908 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 6/29/11 |
| 443-909 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 8/9/06 |
| 443-910 | Bel Air | NEW CINGULAR WIRELESS PCS, LLC - DC | 4/20/01 |
| 443-911 | -- | [UNASSIGNED] | -- |
| 443-912 | Towson | CORE COMMUNICATIONS, INC. - MD | 7/2/02 |
| 443-913 | Baltimore | SPRINT SPECTRUM L.P. | 6/30/11 |
| 443-914 | Worthingtn | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-915 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 9/7/11 |
| 443-916 | Baltimore | SPRINT SPECTRUM L.P. | 8/22/11 |
| 443-917 | Columbia | BROADVOX-CLEC, LLC - MD | 10/7/11 |
| 443-918 | Taneytown | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-919 | Baltimore | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | -- |
| 443-920 | Sykesville | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-921 | Towson | PAETEC COMMUNICATIONS, INC. - MD | -- |
| 443-922 | Edgewood | ATX TELECOMMUNICATIONS SERVICES, LTD | 2/7/06 |
| 443-923 | Baltimore | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 5/11/01 |
| 443-924 | Annapolis | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 7/6/09 |
| 443-925 | Baltimore | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 2/24/06 |
| 443-926 | Annapolis | BROADWING COMMUNICATIONS. LLC - MD | -- |
| 443-927 | Baltimore | BROADWING COMMUNICATIONS. LLC - MD | -- |
| 443-928 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 9/24/01 |
| 443-929 | Pikesville | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 4/20/01 |
| 443-930 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 4/6/11 |
| 443-931 | Baltimore | MCI WORLDCOM COMMUNICATIONS, INC. - MD | 10/24/11 |
| 443-932 | Baltimore | SPRINT SPECTRUM L.P. | 8/22/11 |
| 443-933 | Cockeysvl | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | 4/20/04 |
| 443-934 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 12/4/07 |
| 443-935 | Towson | NEW CINGULAR WIRELESS PCS, LLC - DC | 7/31/06 |
| 443-936 | Elkridge | NEW CINGULAR WIRELESS PCS, LLC - DC | 2/23/17 |
| 443-937 | Union Bdg | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-938 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 8/6/07 |
| 443-939 | Baltimore | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 9/23/02 |
| 443-940 | Pikesville | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 8/21/01 |
| 443-941 | Elkton | NEW CINGULAR WIRELESS PCS, LLC - DC | 9/7/11 |
| 443-942 | Severna Pk | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-943 | Sparrowspt | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-944 | Salisbury | COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD | 6/8/06 |
| 443-945 | Elkton | NEW CINGULAR WIRELESS PCS, LLC - DC | 7/2/02 |
| 443-946 | Parkville | XO MARYLAND, LLC | -- |
| 443-947 | Perryville | CTC COMMUNICATIONS CORP. - MD | -- |
| 443-948 | Baltimore | SPRINT SPECTRUM L.P. | 8/22/11 |
| 443-949 | Annapolis | COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD | 6/28/06 |
| 443-950 | -- | [UNASSIGNED] | -- |
| 443-951 | Annapolis | GLOBAL CROSSING LOCAL SERVICES, INC.-MD | -- |
| 443-952 | Westminstr | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 9/7/11 |
| 443-953 | Salisbury | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 9/7/11 |
| 443-954 | Baltimore | PAETEC COMMUNICATIONS, INC. - MD | 7/6/05 |
| 443-955 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 3/13/06 |
| 443-956 | Baltimore | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 443-957 | Baltimore | AT&T LOCAL | -- |
| 443-958 | -- | [UNASSIGNED] | -- |
| 443-959 | -- | [UNASSIGNED] | -- |
| 443-960 | Glenburnie | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 10/7/11 |
| 443-961 | Baltimore | WEST TELECOM SERVICES, LLC - MD | 12/23/14 |
| 443-962 | Glenburnie | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 9/14/07 |
| 443-963 | Baltimore | BANDWIDTH.COM CLEC, LLC - MD | -- |
| 443-964 | Northbeach | LEVEL 3 COMMUNICATIONS, LLC - MD | 5/12/06 |
| 443-965 | Baltimore | SPRINT SPECTRUM L.P. | 6/21/06 |
| 443-966 | Fallston | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 9/13/06 |
| 443-967 | North East | VERIZON MARYLAND, INC. | 4/20/01 |
| 443-968 | Princefrck | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 443-969 | Essex | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 5/11/01 |
| 443-970 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 11/21/11 |
| 443-971 | Taneytown | BANDWIDTH.COM CLEC, LLC - MD | 2/16/11 |
| 443-972 | Cambridge | US LEC OF MARYLAND, INC. | 11/21/11 |
| 443-973 | Ellicottcy | XO MARYLAND, LLC | -- |
| 443-974 | Westminstr | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | -- |
| 443-975 | Princefrck | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 443-976 | Crofton | BALTIMORE-WASHINGTON TELEPHONE (BWT) | -- |
| 443-977 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 10/12/06 |
| 443-978 | Salisbury | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 11/21/11 |
| 443-979 | Columbia | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 11/21/11 |
| 443-980 | Catonsvl | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 443-981 | Fallston | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 11/21/11 |
| 443-982 | Baltimore | YMAX COMMUNICATIONS CORP. - MD | 5/30/07 |
| 443-983 | Baltimore | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 7/2/02 |
| 443-984 | Baltimore | VERIZON MARYLAND, INC. | -- |
| 443-985 | Randallstn | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6/20/01 |
| 443-986 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 7/13/06 |
| 443-987 | Bel Air | AT&T LOCAL | -- |
| 443-988 | Centrevl | LEVEL 3 COMMUNICATIONS, LLC - MD | 6/8/06 |
| 443-989 | Glenburnie | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | 5/11/01 |
| 443-990 | Baltimore | BANDWIDTH.COM CLEC, LLC - MD | 2/4/11 |
| 443-991 | Towson | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 12/1/11 |
| 443-992 | Baltimore | LEVEL 3 COMMUNICATIONS, LLC - MD | -- |
| 443-993 | Elkton | METRO PCS, INC. | 12/13/10 |
| 443-994 | Annapolis | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 443-995 | Annapolis | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 443-996 | Catonsvl | NEW CINGULAR WIRELESS PCS, LLC - DC | -- |
| 443-997 | Baltimore | VERIZON MARYLAND, INC. | -- |
| 443-998 | Parkville | VERIZON MARYLAND, INC. | 3/19/01 |
| 443-999 | Baltimore | VERIZON MARYLAND, INC. | -- |
Maryland Area Codes