NPA
NXX
CLLI
City, ST
Telco
443
200
BLTMMDCDDS0
WOODLAWN
ALLEGIANCE TELECOM INC. - MD
443
201
WDLWMDBPCM0
GLENBURNIE
NETWORK SERVICES LLC (TSR)
443
202
WDLWMDBPCM0
WOODLAWN
NETWORK SERVICES LLC (TSR)
443
203
MAYOMDMYRS1
WEST RIVER
VERIZON MARYLAND INC.
443
206
CTVLMDBACM1
PERRYVILLE
CELLCO PARTNERSHIP DBA VERIZON WIRELESS-MD
443
207
BLTMMDCHC01
ELKTON
OMNIPOINT COMMUNICATIONS ENTERPRISES L.P.
443
208
WDLWMDAXH01
BALTIMORE
TRI STATE RADIO PAGING - PENNSYLVANIA
443
209
BLARMDBL1MD
HAVREGRACE
CAVALIER TELEPHONE LLC (MID-ATLANTIC) - MD
443
210
CHNTVADHDS0
ABERDEEN
TIDALWAVE TELEPHONE INC.
443
212
BLTMMDFMDS0
SPARKSGLNC
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
213
BLTMMDAFDS0
PIKESVILLE
WINSTAR COMMUNICATIONS LLC - MD
443
214
CHNTVADHDS0
ANNAPOLIS
TIDALWAVE TELEPHONE INC.
443
215
ESTNMDBNDS0
CHESTERTN
CORE COMMUNICATIONS INC. - MD
443
216
BLTMMDSNDS2
DUNDALK
ADELPHIA BUSINESS SOLUTIONS OF MARYLAND LLC
443
217
BLTMMD91DS0
ANNAPOLIS
CORE COMMUNICATIONS INC. - MD
443
218
BLTOMDXIDS0
WORTHINGTN
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
219
BLTMMDAFDS0
PARKVILLE
WINSTAR COMMUNICATIONS LLC - MD
443
220
BLTMMDCHDS2
BALTIMORE
VERIZON MARYLAND INC.
443
221
BLTMMDSNDS1
ANNAPOLIS
LEVEL 3 COMMUNICATIONS LLC - MD
443
222
BLTMMDDN4MD
WORTHINGTN
GLOBAL NAPS SOUTH INC. - MD
443
223
WDLWMDEMCM2
ANNAPOLIS
CELLCO PARTNERSHIP DBA VERIZON WIRELESS-MD
443
224
BLTOMDKHDS0
BALTIMORE
MCI WORLDCOM COMMUNICATIONS INC. - MD
443
226
HNVAMDAYCM2
BALTIMORE
SPRINT SPECTRUM L.P.
443
227
BLTMMDDN4MD
PT DEPOSIT
GLOBAL NAPS SOUTH INC. - MD
443
228
CLMAMDJTDS0
CHASE
US LEC OF MARYLAND INC.
443
229
BLTMMDSNDS0
SEVERNA PK
CAVALIER EAST LLC - MD
443
230
BLTMMDDN4MD
ODENTON
GLOBAL NAPS SOUTH INC. - MD
443
231
BLTMMDCHDS7
ESSEX
AT&T LOCAL
443
232
SLBRMDSBDC0
WILLARDS
CAVALIER TELEPHONE LLC (MID-ATLANTIC) - MD
443
233
SLBRMDSBDC0
VIENNA
CAVALIER TELEPHONE LLC (MID-ATLANTIC) - MD
443
234
SLBRMDSBDC0
SNOW HILL
CAVALIER TELEPHONE LLC (MID-ATLANTIC) - MD
443
235
SLBRMDAZCM1
SALISBURY
CELLCO PARTNERSHIP DBA VERIZON WIRELESS-MD
443
236
BLTMMD91DS0
CARDIFF
CORE COMMUNICATIONS INC. - MD
443
237
BLTMMD91DS0
NORTHBEACH
CORE COMMUNICATIONS INC. - MD
443
238
BLTMMDDN4MD
PARKTON
GLOBAL NAPS SOUTH INC. - MD
443
241
BLTMMDDN4MD
WESTMINSTR
GLOBAL NAPS SOUTH INC. - MD
443
242
BLTMMDSNDS0
SPARROWSPT
CAVALIER EAST LLC - MD
443
243
CTVLMDBACM1
FALLSTON
CELLCO PARTNERSHIP DBA VERIZON WIRELESS-MD
443
244
BLTMMDSNDS1
WESTMINSTR
LEVEL 3 COMMUNICATIONS LLC - MD
443
245
BLARMDBL1MD
ELKTON
CAVALIER TELEPHONE LLC (MID-ATLANTIC) - MD
443
246
BLTMMD91DS0
ELKTON
CORE COMMUNICATIONS INC. - MD
443
247
BLTMMDDN4MD
UNION BDG
GLOBAL NAPS SOUTH INC. - MD
443
249
RMCKMDRRRS0
STEVENSVL
VERIZON MARYLAND INC.
443
250
BLTMMD74CM1
BALTIMORE
NEXTEL COMMUNICATIONS
443
252
LNHGMDAVDS0
ELLICOTTCY
BROADSTREET COMMUNICATIONS INC. - MD
443
253
BLTMMDCHCM1
BALTIMORE
AT&T WIRELESS SERVICES INC.
443
254
BLTMMDCHXWY
ANNAPOLIS
OMNIPOINT COMMUNICATIONS CAP OPERATIONS LLC
443
255
BLTMMDCHCM1
BALTIMORE
AT&T WIRELESS SERVICES INC.
443
256
BLTMMDDN4MD
NORTH EAST
GLOBAL NAPS SOUTH INC. - MD
443
257
CTVLMDBACM1
BALTIMORE
CELLCO PARTNERSHIP DBA VERIZON WIRELESS-MD
443
258
ESTNMDCB1MD
EASTON
DOBSON CELLULAR SYSTEMS INC.
443
259
CLMAMDOBDS0
COLUMBIA
VERIZON MARYLAND INC.
443
260
SLBRMDSBDS1
SALISBURY
VERIZON MARYLAND INC.
443
261
HNVAMDATDS0
SEVERNA PK
SBC TELECOM INC. - MD
443
262
CNVLMDCTRS2
CENTREVL
VERIZON MARYLAND INC.
443
263
BLTMMDCHDS3
BALTIMORE
VERIZON MARYLAND INC.
443
264
BLTMMDDN4MD
PIKESVILLE
GLOBAL NAPS SOUTH INC. - MD
443
265
BLTMMDSNDS0
FORK
CAVALIER EAST LLC - MD
443
266
BLTOMDXIDS0
GLENWOOD
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
267
BLTMMDFMDS0
DARLINGTON
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
268
BLTMMD91DS0
BALTIMORE
CORE COMMUNICATIONS INC. - MD
443
269
BLTMMDDN4MD
TOWSON
GLOBAL NAPS SOUTH INC. - MD
443
270
BLTMMDCHW29
GLENBURNIE
PAETEC COMMUNICATIONS INC.- MD
443
271
HNVAMDBIW01
BALTIMORE
NEXTEL COMMUNICATIONS
443
272
BLTMMDFMDS0
RANDALLSTN
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
273
CLMAMDNIDS1
REISTERSTN
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
274
ODTNMDPORS2
SEVERN
VERIZON MARYLAND INC.
443
275
BLTMMDAFDS0
TOWSON
WINSTAR COMMUNICATIONS LLC - MD
443
276
BLTMMDCDDS0
COLUMBIA
ALLEGIANCE TELECOM INC. - MD
443
277
BLTMMDAFCM1
SYKESVILLE
NEXTEL COMMUNICATIONS
443
279
BLTMMDCDDS0
TOWSON
ALLEGIANCE TELECOM INC. - MD
443
280
BLTMMDCHCM1
SYKESVILLE
AT&T WIRELESS SERVICES INC.
443
281
BLTMMDCDDS0
COCKEYSVL
ALLEGIANCE TELECOM INC. - MD
443
283
BLTMMDCHW29
COLUMBIA
PAETEC COMMUNICATIONS INC.- MD
443
284
BLTMMDDN4MD
WATERLOO
GLOBAL NAPS SOUTH INC. - MD
443
285
CLMAMDSRRS0
COLUMBIA
VERIZON MARYLAND INC.
443
286
CTVLMDBACM1
BALTIMORE
CELLCO PARTNERSHIP DBA VERIZON WIRELESS-MD
443
287
BLTMMDWLDS0
BALTIMORE
VERIZON MARYLAND INC.
443
288
BLTMMDCDDS0
ELLICOTTCY
ALLEGIANCE TELECOM INC. - MD
443
289
LNHGMDAVDS0
CATONSVL
BROADSTREET COMMUNICATIONS INC. - MD
443
290
LARLMDCC1MD
PARKVILLE
XSPEDIUS MANAGEMENT CO SWITCHES SERVICES LLC - MD
443
291
BLTOMDXIDS0
HAMPSTEAD
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
292
LARLMDCC1MD
CROFTON
XSPEDIUS MANAGEMENT CO SWITCHES SERVICES LLC - MD
443
293
BLTOMDXIDS0
WESTMINSTR
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
294
BLTOMDXIDS0
WEST RIVER
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
295
BLTMMDSNDS1
PRINCEFRCK
LEVEL 3 COMMUNICATIONS LLC - MD
443
296
BLTOMDXIDS0
WATERLOO
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
297
BLTMMDFMDS0
ARBUTUS
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
298
SLBRMDSCX4X
EASTON
AT&T WIRELESS SERVICES INC.
443
299
BLTOMDXIDS0
FALLSTON
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
300
BLTMMDCHXZY
SYKESVILLE
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
443
302
BLTOMDXIDS0
CROFTON
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
303
BLTOMDXIDS0
ABERDEEN
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
304
BLTOMDXIDS0
ARBUTUS
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
305
BLTOMDXIDS0
ARGRGBSNIS
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
306
HNVAMDAYCM2
SEVERNA PK
SPRINT SPECTRUM L.P.
443
307
BLTOMDXIDS0
BEL AIR
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
308
BLTMMDCDDS0
SEVERN
ALLEGIANCE TELECOM INC. - MD
443
309
BLTMMD74CM1
ELKTON
NEXTEL COMMUNICATIONS
443
310
BLTMMDCHW99
BALTIMORE
AT&T WIRELESS SERVICES INC.
443
312
BLTOMDXIDS0
BRYNPKLNCM
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
313
BLTOMDXIDS0
FORK
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
315
BLTOMDXIDS0
CATONSVL
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
316
BLTOMDXIDS0
WOODLAWN
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
317
BLTOMDXIDS0
CHASE
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
318
BLARMDBL1MD
COCKEYSVL
CAVALIER TELEPHONE LLC (MID-ATLANTIC) - MD
443
319
BLARMDBL1MD
COLUMBIA
CAVALIER TELEPHONE LLC (MID-ATLANTIC) - MD
443
320
BLTOMDXIDS0
BALTIMORE
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
321
BLTMMDCHW29
ANNAPOLIS
PAETEC COMMUNICATIONS INC.- MD
443
322
BLTMMDSNDS0
TOWSON
CAVALIER EAST LLC - MD
443
323
SLBRMDSBDC0
SHARPTOWN
CAVALIER TELEPHONE LLC (MID-ATLANTIC) - MD
443
324
HNVAMDBICM1
BALTIMORE
NEXTEL COMMUNICATIONS
443
325
BLARMDBL1MD
ELLICOTTCY
CAVALIER TELEPHONE LLC (MID-ATLANTIC) - MD
443
326
BLTMMDCHCM1
BALTIMORE
AT&T WIRELESS SERVICES INC.
443
327
BLTMMDSNDS0
ABERDEEN
CAVALIER EAST LLC - MD
443
328
BLTMMDDN4MD
SYKESVILLE
GLOBAL NAPS SOUTH INC. - MD
443
329
WASJDCDCDS0
WATERLOO
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
330
BLTMMDAFDS0
COCKEYSVL
WINSTAR COMMUNICATIONS LLC - MD
443
331
BLTMMDDN4MD
TANEYTOWN
GLOBAL NAPS SOUTH INC. - MD
443
332
BLTMMDSNDS0
CROFTON
CAVALIER EAST LLC - MD
443
334
TWSNMDTW8MD
PIKESVILLE
ADVANCED TELCOM GROUP INC. - MD
443
335
BLTMMDDN4MD
BRYNPKLNCM
GLOBAL NAPS SOUTH INC. - MD
443
336
HNVAMDBICM1
ANNAPOLIS
NEXTEL COMMUNICATIONS
443
337
BLTMMDDN4MD
SPARROWSPT
GLOBAL NAPS SOUTH INC. - MD
443
338
BLTMMDDN4MD
SPARKSGLNC
GLOBAL NAPS SOUTH INC. - MD
443
339
BLTMMDDN4MD
SHERWD FOR
GLOBAL NAPS SOUTH INC. - MD
443
340
WDLWMDEMCM2
WESTMINSTR
CELLCO PARTNERSHIP DBA VERIZON WIRELESS-MD
443
341
BLTMMDAFDS0
CATONSVL
WINSTAR COMMUNICATIONS LLC - MD
443
342
BLTMMDDN4MD
SOLOMONS
GLOBAL NAPS SOUTH INC. - MD
443
343
BLTMMDFMDS0
MILLERSVL
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
344
BLTMMD91DS0
SEVERNA PK
CORE COMMUNICATIONS INC. - MD
443
345
BLTMMDSNDS1
ABERDEEN
LEVEL 3 COMMUNICATIONS LLC - MD
443
346
BLTMMDDN4MD
SEVERNA PK
GLOBAL NAPS SOUTH INC. - MD
443
347
BLTMMDDN4MD
CARDIFF
GLOBAL NAPS SOUTH INC. - MD
443
348
BLTMMDFMDS0
WOODLAWN
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
349
BLTMMD91DS0
SILVER RUN
CORE COMMUNICATIONS INC. - MD
443
350
NRTEMDAICM1
ELKTON
CELLCO PARTNERSHIP DBA VERIZON WIRELESS-MD
443
351
CLMAMDJTDS0
ODENTON
US LEC OF MARYLAND INC.
443
352
BLTMMDCHDS7
PIKESVILLE
AT&T LOCAL
443
354
BLTMMDSNDS1
GLENBURNIE
LEVEL 3 COMMUNICATIONS LLC - MD
443
355
BLTMMDSNDS1
ELLICOTTCY
LEVEL 3 COMMUNICATIONS LLC - MD
443
356
BLTMMDSNDS1
BEL AIR
LEVEL 3 COMMUNICATIONS LLC - MD
443
357
PIVLMDPKDS1
PIKESVILLE
VERIZON MARYLAND INC.
443
358
WDLWMDBPCM0
NORTH EAST
NETWORK SERVICES LLC (TSR)
443
359
SLBRMDAZCM1
DELMAR
CELLCO PARTNERSHIP DBA VERIZON WIRELESS-MD
443
360
BLTMMDFMDS0
ABERDEEN
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
361
BLTMMD91DS0
SYKESVILLE
CORE COMMUNICATIONS INC. - MD
443
362
SLBRMDSCXMD
EASTON
OMNIPOINT COMMUNICATIONS CAP OPERATIONS LLC
443
363
BLTMMDDN4MD
SEVERN
GLOBAL NAPS SOUTH INC. - MD
443
364
CLMAMDNIDS1
ELLICOTTCY
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
365
SLBRMDSCXMD
SALISBURY
OMNIPOINT COMMUNICATIONS CAP OPERATIONS LLC
443
366
SLBRMDSBRMD
SALISBURY
SPRINT SPECTRUM L.P.
443
367
CLMAMDCBDS0
COLUMBIA
VERIZON MARYLAND INC.
443
368
BLTMMD91DS0
WESTMINSTR
CORE COMMUNICATIONS INC. - MD
443
369
BLTMMD91DS0
BEL AIR
CORE COMMUNICATIONS INC. - MD
443
370
ANNPMDANSMD
ANNAPOLIS
SPRINT COMMUNICATIONS COMPANY L.P. - MD
443
371
BLTMMDCHX8Z
BEL AIR
SPRINT COMMUNICATIONS COMPANY L.P. - MD
443
372
CLMAMDJTDS0
EDGEWOOD
US LEC OF MARYLAND INC.
443
373
SLBRMDSBRMD
OCEAN CITY
SPRINT SPECTRUM L.P.
443
374
BLARMDBL1MD
ABERDEEN
CAVALIER TELEPHONE LLC (MID-ATLANTIC) - MD
443
375
HNVAMDBICM1
HAMPSTEAD
NEXTEL COMMUNICATIONS
443
376
BLTMMDFMDS0
DUNDALK
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
380
BLTMMDAFDS0
WOODLAWN
WINSTAR COMMUNICATIONS LLC - MD
443
381
BLTMMDDN4MD
REISTERSTN
GLOBAL NAPS SOUTH INC. - MD
443
382
ESTNMDBNDS0
CAMBRIDGE
CORE COMMUNICATIONS INC. - MD
443
383
BLTMMDDN4MD
SILVER RUN
GLOBAL NAPS SOUTH INC. - MD
443
384
BLTMMDSNDS2
PARKVILLE
ADELPHIA BUSINESS SOLUTIONS OF MARYLAND LLC
443
385
ESTNMDBNDS0
EASTON
CORE COMMUNICATIONS INC. - MD
443
386
CTVLMDBACM1
BALTIMORE
CELLCO PARTNERSHIP DBA VERIZON WIRELESS-MD
443
387
ESTNMDBNDS0
POCOMOKE
CORE COMMUNICATIONS INC. - MD
443
388
WDLWMDBPCM0
BALTIMORE
NETWORK SERVICES LLC (TSR)
443
389
ESTNMDBNDS0
SALISBURY
CORE COMMUNICATIONS INC. - MD
443
390
BLTOMDXIDS0
CHURCHVL
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
391
BLTOMDXIDS0
COCKEYSVL
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
392
BLTMMDCHDS6
BALTIMORE
AT&T LOCAL
443
393
BLTOMDXIDS0
COLUMBIA
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
394
OWMLMDOMDS0
PIKESVILLE
VERIZON MARYLAND INC.
443
396
BLTOMDXIDS0
ODENTON
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
398
HNVAMDBIW01
SYKESVILLE
NEXTEL COMMUNICATIONS
443
399
BLTOMDXIDS0
DUNDALK
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
400
BLTMMDSN5MD
BRYNPKLNCM
XO MARYLAND LLC
443
402
BLTMMDFMDS0
EDGEWOOD
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
403
BLTMMDCHXZY
ABERDEEN
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
443
404
HNVAMDAYCM2
SOLOMONS
SPRINT SPECTRUM L.P.
443
405
BLTOMDXIDS0
RANDALLSTN
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
406
BLTMMDFMDS0
ELKTON
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
407
BLTMMDCDDS0
DUNDALK
ALLEGIANCE TELECOM INC. - MD
443
408
BLTMMDSN5MD
SPARROWSPT
XO MARYLAND LLC
443
409
BLTMMDSNDS0
EDGEWOOD
CAVALIER EAST LLC - MD
443
412
BLTMMDFMDS0
CHURCHVL
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
413
HNVAMDAYCM2
BALTIMORE
SPRINT SPECTRUM L.P.
443
414
HNVAMDAYCM2
BALTIMORE
SPRINT SPECTRUM L.P.
443
415
HNVAMDAYCM2
BALTIMORE
SPRINT SPECTRUM L.P.
443
416
HNVAMDAYCM2
BALTIMORE
SPRINT SPECTRUM L.P.
443
417
BLTMMDFMDS0
FALLSTON
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
418
HNVAMDAYCM2
BALTIMORE
SPRINT SPECTRUM L.P.
443
419
BLTMMDSNDS0
GLENWOOD
CAVALIER EAST LLC - MD
443
420
BLTOMDXIDS0
ELLICOTTCY
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
421
BLTMMDCHCM1
FORK
AT&T WIRELESS SERVICES INC.
443
423
BLTMMDSNDS2
BALTIMORE
ADELPHIA BUSINESS SOLUTIONS OF MARYLAND LLC
443
424
BLTMMDFMDS0
CARDIFF
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
425
BLTMMDCHDS7
PARKVILLE
AT&T LOCAL
443
426
BLTMMDCHW29
RANDALLSTN
PAETEC COMMUNICATIONS INC.- MD
443
427
ESTNMDBNDS0
PRINCEANNE
CORE COMMUNICATIONS INC. - MD
443
428
BLTMMD91DS0
COCKEYSVL
CORE COMMUNICATIONS INC. - MD
443
429
HNVAMDBHRS0
WOODLAWN
CAVALIER TELEPHONE MID-ATLANTIC. LLC - MD
443
430
BLTMMDSN5MD
COLUMBIA
XO MARYLAND LLC
443
431
BLTMMDDN4MD
RANDALLSTN
GLOBAL NAPS SOUTH INC. - MD
443
432
BLTMMDDN4MD
PRINCEFRCK
GLOBAL NAPS SOUTH INC. - MD
443
433
BLTMMDSN5MD
ANNAPOLIS
XO MARYLAND LLC
443
436
WDLWMDWLDS0
WOODLAWN
VERIZON MARYLAND INC.
443
438
PRHLMD03CM0
PIKESVILLE
MAP MOBILE COMMUNICATIONS INC.
443
440
LNHGMDAVDS0
ANNAPOLIS
BROADSTREET COMMUNICATIONS INC. - MD
443
441
BLTMMDFMDS0
GLENWOOD
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
442
BLTMMDSNDS0
PARKVILLE
CAVALIER EAST LLC - MD
443
445
HNVAMDATDS0
ELKRIDGE
SBC TELECOM INC. - MD
443
447
PRHLMD03CM0
PIKESVILLE
MAP MOBILE COMMUNICATIONS INC.
443
450
BLTMMDSNDS1
PIKESVILLE
LEVEL 3 COMMUNICATIONS LLC - MD
443
451
BLTMMDCHW29
BALTIMORE
PAETEC COMMUNICATIONS INC.- MD
443
454
BLTMMDCHXWY
ANNAPOLIS
OMNIPOINT COMMUNICATIONS CAP OPERATIONS LLC
443
456
BLTMMDCHDS7
EDGEWOOD
AT&T LOCAL
443
457
BLTMMDFMDS0
BRYNPKLNCM
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
458
BLTMMDCDDS0
ANNAPOLIS
ALLEGIANCE TELECOM INC. - MD
443
459
BLTMMDCHX8Z
ELKRIDGE
SPRINT COMMUNICATIONS COMPANY L.P. - MD
443
460
BLTMMDCDDS0
ESSEX
ALLEGIANCE TELECOM INC. - MD
443
461
CLMAMDJTDS0
PARKVILLE
US LEC OF MARYLAND INC.
443
463
BLTMMD74CM1
BALTIMORE
NEXTEL COMMUNICATIONS
443
464
LNHGMDAVDS0
BEL AIR
BROADSTREET COMMUNICATIONS INC. - MD
443
465
CTVLMDBACM1
TOWSON
CELLCO PARTNERSHIP DBA VERIZON WIRELESS-MD
443
466
BLTMMDCHXHY
ELKTON
SPRINT SPECTRUM L.P.
443
471
CLMAMDJTDS0
PIKESVILLE
US LEC OF MARYLAND INC.
443
472
BLTMMDSNDS1
COLUMBIA
LEVEL 3 COMMUNICATIONS LLC - MD
443
474
HNVAMDATCM1
CATONSVL
WASHINGTON/BALTIMORE CELLULAR LIMITED PARTNERSHIP
443
475
LNHGMDAVDS0
SEVERN
BROADSTREET COMMUNICATIONS INC. - MD
443
476
ANNPMDANDS0
ANNAPOLIS
VERIZON MARYLAND INC.
443
477
WDLWMDBPCM0
ELLICOTTCY
NETWORK SERVICES LLC (TSR)
443
479
LARLMDDYDS0
WATERLOO
VERIZON MARYLAND INC.
443
480
SLBRMDAZCM1
CHESTERTN
CELLCO PARTNERSHIP DBA VERIZON WIRELESS-MD
443
481
PARLMDPADS0
ANNAPOLIS
VERIZON MARYLAND INC.
443
482
ANNPMDANDS0
ANNAPOLIS
VERIZON MARYLAND INC.
443
483
BLTMMDCHXZY
CARDIFF
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
443
484
BLTMMDCHXZY
EDGEWOOD
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
443
485
BLTMMDCHXZY
ELKTON
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
443
486
ANNPMDAN6MD
PRINCEFRCK
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
443
487
BLTMMDCHXZY
WESTMINSTR
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
443
488
LNHGMDAVDS0
COLUMBIA
BROADSTREET COMMUNICATIONS INC. - MD
443
489
BLTMMDFMDS0
CHASE
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
490
BLTOMDXIDS0
EDGEWOOD
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
491
BLTOMDXIDS0
PARKTON
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
492
BLTOMDXIDS0
ELKRIDGE
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
494
BLTOMDXIDS0
MILLERSVL
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
495
BLTOMDXIDS0
PARKVILLE
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
496
SLBRMDEPCM1
EASTON
NEXTEL COMMUNICATIONS
443
497
SLBRMDEPCM1
SALISBURY
NEXTEL COMMUNICATIONS
443
498
BLTMMDCDDS0
CATONSVL
ALLEGIANCE TELECOM INC. - MD
443
499
BLTOMDXIDS0
JARRETTSVL
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
501
BLTOMDXIDS0
PIKESVILLE
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
502
BLTMMDFMDS0
HAVREGRACE
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
503
BLTMMDSN5MD
DUNDALK
XO MARYLAND LLC
443
504
BLTMMDSNDS0
FALLSTON
CAVALIER EAST LLC - MD
443
505
BLTOMDXIDS0
ESSEX
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
506
HNVAMDBICM1
BALTIMORE
NEXTEL COMMUNICATIONS
443
507
BLTMMDFMDS0
HAMPSTEAD
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
508
BLTMMDSNDS0
HAMPSTEAD
CAVALIER EAST LLC - MD
443
512
WNRNMDWNRS1
EDGEWOOD
VERIZON MARYLAND INC.
443
513
SLBRMDAWCM1
BERLIN
DOBSON CELLULAR SYSTEMS INC.
443
514
CLMAMDJTDS0
CATONSVL
US LEC OF MARYLAND INC.
443
515
LNHGMDAVDS0
ARBUTUS
BROADSTREET COMMUNICATIONS INC. - MD
443
516
BLTOMDXIDS0
SYKESVILLE
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
517
BLTOMDXIDS0
GLENBURNIE
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
519
BLTOMDXIDS0
TOWSON
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
520
HNVAMDATCM1
CATONSVL
WASHINGTON/BALTIMORE CELLULAR LIMITED PARTNERSHIP
443
521
SLBRMDAZCM1
CAMBRIDGE
CELLCO PARTNERSHIP DBA VERIZON WIRELESS-MD
443
522
BLTMMDCHW29
REISTERSTN
PAETEC COMMUNICATIONS INC.- MD
443
523
SLBRMDSBDS1
SALISBURY
VERIZON MARYLAND INC.
443
524
BLTMMDCDDS0
BALTIMORE
ALLEGIANCE TELECOM INC. - MD
443
525
WDLWMDBPCM0
BEL AIR
NETWORK SERVICES LLC (TSR)
443
526
BLTMMDDN4MD
HAVREGRACE
GLOBAL NAPS SOUTH INC. - MD
443
527
BLTMMDCHXWY
BALTIMORE
OMNIPOINT COMMUNICATIONS CAP OPERATIONS LLC
443
528
HNVAMDAYCM2
BEL AIR
SPRINT SPECTRUM L.P.
443
530
BLTMMDCHW29
DUNDALK
PAETEC COMMUNICATIONS INC.- MD
443
532
HNVAMDBICM1
PRINCEFRCK
NEXTEL COMMUNICATIONS
443
533
BLTMMDFMDS0
JARRETTSVL
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
534
ANNPMDANXMD
ANNAPOLIS
KMC TELECOM III INC. - MD
443
535
CLVLMDCEDS0
COLUMBIA
VERIZON MARYLAND INC.
443
536
HNVAMDAYCM2
WESTMINSTR
SPRINT SPECTRUM L.P.
443
538
BLTMMDCHXWY
COLUMBIA
OMNIPOINT COMMUNICATIONS CAP OPERATIONS LLC
443
539
CLMAMDJTDS0
COLUMBIA
US LEC OF MARYLAND INC.
443
540
BLTMMDCHCM1
BALTIMORE
AT&T WIRELESS SERVICES INC.
443
541
BLTMMDCHW29
COCKEYSVL
PAETEC COMMUNICATIONS INC.- MD
443
542
BLTPMDHIDS0
COLUMBIA
COMCAST BUSINESS COMMUNICATIONS INC. - MD
443
543
ARBTMDARDS0
ARBUTUS
VERIZON MARYLAND INC.
443
544
BLTMMDSNDS0
PIKESVILLE
CAVALIER EAST LLC - MD
443
545
BLTMMDCHXZY
COLUMBIA
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
443
546
BLTMMDAFDS0
COLUMBIA
WINSTAR COMMUNICATIONS LLC - MD
443
548
BLTMMDCDDS0
PIKESVILLE
ALLEGIANCE TELECOM INC. - MD
443
549
CLMAMDJTDS0
DUNDALK
US LEC OF MARYLAND INC.
443
550
ANNPMDANSMD
NORTHBEACH
SPRINT COMMUNICATIONS COMPANY L.P. - MD
443
551
BLTMMDSNDS1
WOODLAWN
LEVEL 3 COMMUNICATIONS LLC - MD
443
552
BLTMMDMDDS0
BALTIMORE
VERIZON MARYLAND INC.
443
553
NRTEMDAICM1
ELKTON
CELLCO PARTNERSHIP DBA VERIZON WIRELESS-MD
443
554
BLTMMDCHXWY
CHASE
OMNIPOINT COMMUNICATIONS CAP OPERATIONS LLC
443
556
CYVLMDDADS0
COCKEYSVL
VERIZON MARYLAND INC.
443
557
BLTMMDCDDS0
GLENBURNIE
ALLEGIANCE TELECOM INC. - MD
443
558
BLTMMDSN5MD
ABERDEEN
XO MARYLAND LLC
443
559
BLTPMDHIDS0
ESSEX
COMCAST BUSINESS COMMUNICATIONS INC. - MD
443
560
LNHGMDAVDS0
ESSEX
BROADSTREET COMMUNICATIONS INC. - MD
443
561
CLMAMDJTDS0
ELKRIDGE
US LEC OF MARYLAND INC.
443
562
BLTMMDCHCM1
BALTIMORE
AT&T WIRELESS SERVICES INC.
443
564
BLTMMDSNDS1
TOWSON
LEVEL 3 COMMUNICATIONS LLC - MD
443
565
BLTMMDSNDS0
RANDALLSTN
CAVALIER EAST LLC - MD
443
567
BLTMMDSNDS1
BEL AIR
LEVEL 3 COMMUNICATIONS LLC - MD
443
568
BLTMMDCDDS0
ARBUTUS
ALLEGIANCE TELECOM INC. - MD
443
569
BLTMMDSNDS1
ANNAPOLIS
LEVEL 3 COMMUNICATIONS LLC - MD
443
570
BLTMMDCHXWY
BALTIMORE
OMNIPOINT COMMUNICATIONS CAP OPERATIONS LLC
443
572
GLBRMDGLDS0
GLENBURNIE
VERIZON MARYLAND INC.
443
573
CLMAMDJTDS0
BALTIMORE
US LEC OF MARYLAND INC.
443
574
CLMAMDJTDS0
ELLICOTTCY
US LEC OF MARYLAND INC.
443
575
BLTMMDSNDS0
ARBUTUS
CAVALIER EAST LLC - MD
443
576
BLTMMDCDDS0
RANDALLSTN
ALLEGIANCE TELECOM INC. - MD
443
577
CLMAMDJTDS0
GLENBURNIE
US LEC OF MARYLAND INC.
443
578
BLTMMDSNDS5
COCKEYSVL
XO MARYLAND LLC
443
579
CLMAMDJTDS0
ESSEX
US LEC OF MARYLAND INC.
443
581
BLTMMDDN4MD
CHASE
GLOBAL NAPS SOUTH INC. - MD
443
582
BLTMMDDN4MD
CHURCHVL
GLOBAL NAPS SOUTH INC. - MD
443
583
BLTMMDDN4MD
COLUMBIA
GLOBAL NAPS SOUTH INC. - MD
443
584
BLTMMDDN4MD
CROFTON
GLOBAL NAPS SOUTH INC. - MD
443
585
BLTMMDDN4MD
DARLINGTON
GLOBAL NAPS SOUTH INC. - MD
443
586
BLTMMDDN4MD
DUNDALK
GLOBAL NAPS SOUTH INC. - MD
443
587
BLTMMDDN4MD
EDGEWOOD
GLOBAL NAPS SOUTH INC. - MD
443
588
BLTMMDCDDS0
PARKVILLE
ALLEGIANCE TELECOM INC. - MD
443
589
CLMAMDJTDS0
COCKEYSVL
US LEC OF MARYLAND INC.
443
590
BLTOMDXIDS0
REISTERSTN
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
591
HNVAMDATDS0
COCKEYSVL
SBC TELECOM INC. - MD
443
592
BLTMMDDN4MD
ELKRIDGE
GLOBAL NAPS SOUTH INC. - MD
443
593
BLTMMDDN4MD
ELKTON
GLOBAL NAPS SOUTH INC. - MD
443
594
BLTOMDXIDS0
SPARROWSPT
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
595
BLTOMDXIDS0
SPARKSGLNC
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
596
BLTMMDDN4MD
ESSEX
GLOBAL NAPS SOUTH INC. - MD
443
597
BLTOMDXIDS0
SEVERNA PK
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
598
BLTOMDXIDS0
SHERWD FOR
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
599
BLTOMDXIDS0
SEVERN
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
600
BLTMMDCHXWY
ESSEX
OMNIPOINT COMMUNICATIONS CAP OPERATIONS LLC
443
601
BLTMMDDN4MD
FALLSTON
GLOBAL NAPS SOUTH INC. - MD
443
603
BLTMMDAFDS0
ANNAPOLIS
WINSTAR COMMUNICATIONS LLC - MD
443
604
CTVLMDBACM1
BALTIMORE
CELLCO PARTNERSHIP DBA VERIZON WIRELESS-MD
443
605
BLTMMDSNDS0
WESTMINSTR
CAVALIER EAST LLC - MD
443
606
BLTMMDDN4MD
FORK
GLOBAL NAPS SOUTH INC. - MD
443
607
BLTMMDSNDS0
WEST RIVER
CAVALIER EAST LLC - MD
443
609
BLTMMDSNDS0
SYKESVILLE
CAVALIER EAST LLC - MD
443
610
CTVLMDBACM1
BALTIMORE
CELLCO PARTNERSHIP DBA VERIZON WIRELESS-MD
443
612
CTVLMDCTDS0
CATONSVL
VERIZON MARYLAND INC.
443
614
SLBRMDAZCM1
SALISBURY
CELLCO PARTNERSHIP DBA VERIZON WIRELESS-MD
443
616
BLTMMDSNDS0
BEL AIR
CAVALIER EAST LLC - MD
443
618
WDLWMDEMCM2
GLENBURNIE
CELLCO PARTNERSHIP DBA VERIZON WIRELESS-MD
443
620
CLMAMDNIDS1
WATERLOO
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
621
HNVAMDAYCM2
BALTIMORE
SPRINT SPECTRUM L.P.
443
622
HNVAMDAYCM2
BALTIMORE
SPRINT SPECTRUM L.P.
443
623
HNVAMDBIW01
GLENBURNIE
NEXTEL COMMUNICATIONS
443
624
WDLWMDEMCM2
PRINCEFRCK
CELLCO PARTNERSHIP DBA VERIZON WIRELESS-MD
443
625
HNVAMDATDS0
FORK
SBC TELECOM INC. - MD
443
626
BLTMMDSNDS0
CHASE
CAVALIER EAST LLC - MD
443
628
BLTMMDDN4MD
GLENBURNIE
GLOBAL NAPS SOUTH INC. - MD
443
629
HNVAMDAYCM2
BALTIMORE
SPRINT SPECTRUM L.P.
443
632
CLMAMDJTDS0
TOWSON
US LEC OF MARYLAND INC.
443
633
LNHGMDAVDS0
WATERLOO
BROADSTREET COMMUNICATIONS INC. - MD
443
634
CHNTVADHDS0
BALTIMORE
TIDALWAVE TELEPHONE INC.
443
637
BLTMMDSN5MD
ARGRGBSNIS
XO MARYLAND LLC
443
638
BLTMMDDN4MD
ELLICOTTCY
GLOBAL NAPS SOUTH INC. - MD
443
639
BLTMMDDN4MD
HAMPSTEAD
GLOBAL NAPS SOUTH INC. - MD
443
640
CLMAMDJTDS0
BEL AIR
US LEC OF MARYLAND INC.
443
641
BLTMMDCHXZY
PIKESVILLE
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
443
643
BLARMDBLDS0
BEL AIR
VERIZON MARYLAND INC.
443
644
BLTMMDDN4MD
JARRETTSVL
GLOBAL NAPS SOUTH INC. - MD
443
645
BLTMMDDN4MD
MILLERSVL
GLOBAL NAPS SOUTH INC. - MD
443
646
BLTMMDDN4MD
NORTHBEACH
GLOBAL NAPS SOUTH INC. - MD
443
647
BLTMMDDN4MD
NEWWINDSOR
GLOBAL NAPS SOUTH INC. - MD
443
648
BLTMMDFMDS0
ESSEX
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
649
CLMAMDJTDS0
SPARROWSPT
US LEC OF MARYLAND INC.
443
650
BLTMMDCDDS0
REISTERSTN
ALLEGIANCE TELECOM INC. - MD
443
651
WDLWMDBPCM0
FORK
NETWORK SERVICES LLC (TSR)
443
652
TWSNMDTWDS0
TOWSON
VERIZON MARYLAND INC.
443
653
BLTMMDCHXWY
PARKVILLE
OMNIPOINT COMMUNICATIONS CAP OPERATIONS LLC
443
654
WDLWMDBPCM0
SEVERNA PK
NETWORK SERVICES LLC (TSR)
443
655
HNVAMDATCM1
BEL AIR
WASHINGTON/BALTIMORE CELLULAR LIMITED PARTNERSHIP
443
656
BLTMMDSNDS0
COLUMBIA
CAVALIER EAST LLC - MD
443
657
LARLMDCC1MD
RANDALLSTN
XSPEDIUS MANAGEMENT CO SWITCHES SERVICES LLC - MD
443
658
BLTMMDDN4MD
WOODLAWN
GLOBAL NAPS SOUTH INC. - MD
443
659
BLTMMDDN4MD
WEST RIVER
GLOBAL NAPS SOUTH INC. - MD
443
660
CLMAMDNIDS1
PIKESVILLE
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
661
BLTMMDSNDS0
WATERLOO
CAVALIER EAST LLC - MD
443
662
BLTMMDSNDS0
SPARKSGLNC
CAVALIER EAST LLC - MD
443
663
WDLWMDWLDS0
WOODLAWN
VERIZON MARYLAND INC.
443
664
SLBRMDSBDC0
OCEAN CITY
CAVALIER TELEPHONE LLC (MID-ATLANTIC) - MD
443
665
SLBRMDSBDC0
NANTICOKE
CAVALIER TELEPHONE LLC (MID-ATLANTIC) - MD
443
666
443
668
HNVAMDATCM1
CATONSVL
WASHINGTON/BALTIMORE CELLULAR LIMITED PARTNERSHIP
443
669
SLBRMDSBDC0
DELMAR
CAVALIER TELEPHONE LLC (MID-ATLANTIC) - MD
443
670
BLTMMDSNDS0
CATONSVL
CAVALIER EAST LLC - MD
443
671
BLTMMDFMDS0
NEWWINDSOR
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
672
BLTMMDFMDS0
PARKTON
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
673
BLTMMDSNDS0
BRYNPKLNCM
CAVALIER EAST LLC - MD
443
674
BLTMMDFMDS0
NORTH EAST
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
675
BLARMDBL1MD
RANDALLSTN
CAVALIER TELEPHONE LLC (MID-ATLANTIC) - MD
443
676
BLTMMDCHCM1
BALTIMORE
AT&T WIRELESS SERVICES INC.
443
677
HNVAMDBIW01
BALTIMORE
NEXTEL COMMUNICATIONS
443
678
WHMRMDWMRS2
PARKVILLE
VERIZON MARYLAND INC.
443
679
BLTMMDFMDS0
SEVERN
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
685
BLARMDBL1MD
SEVERN
CAVALIER TELEPHONE LLC (MID-ATLANTIC) - MD
443
687
LNHGMDAVDS0
WOODLAWN
BROADSTREET COMMUNICATIONS INC. - MD
443
688
BLTMMDSNDS0
SEVERN
CAVALIER EAST LLC - MD
443
689
BLTMMDSNDS0
COCKEYSVL
CAVALIER EAST LLC - MD
443
690
CTVLMDBACM1
BALTIMORE
CELLCO PARTNERSHIP DBA VERIZON WIRELESS-MD
443
691
BLTMMDCHCM1
BALTIMORE
AT&T WIRELESS SERVICES INC.
443
692
BLTMMDCDDS1
BALTIMORE
ALLEGIANCE TELECOM INC. - MD
443
693
BLTMMDFMDS0
PERRYVILLE
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
694
HNVAMDAYCM2
SEVERNA PK
SPRINT SPECTRUM L.P.
443
695
CTVLMDBACM1
BALTIMORE
CELLCO PARTNERSHIP DBA VERIZON WIRELESS-MD
443
696
BLTMMDSNDS0
DUNDALK
CAVALIER EAST LLC - MD
443
697
BLTMMDDN4MD
CATONSVL
GLOBAL NAPS SOUTH INC. - MD
443
698
BLTMMDFMDS0
ODENTON
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
699
LNHGMDAVDS0
PIKESVILLE
BROADSTREET COMMUNICATIONS INC. - MD
443
701
BLTMMDSN5MD
ARBUTUS
XO MARYLAND LLC
443
702
BLTMMDSNDS0
ARGRGBSNIS
CAVALIER EAST LLC - MD
443
703
BLTMMDSN5MD
BALTIMORE
XO MARYLAND LLC
443
704
BLTMMDSNDS0
ODENTON
CAVALIER EAST LLC - MD
443
705
BLTMMDDN4MD
COCKEYSVL
GLOBAL NAPS SOUTH INC. - MD
443
706
SLBRMDSB10T
CRISFIELD
CAVALIER TELEPHONE LLC (MID-ATLANTIC) - MD
443
707
LARLMDCC1MD
BALTIMORE
XSPEDIUS MANAGEMENT CO SWITCHES SERVICES LLC - MD
443
708
LARLMDCC1MD
BALTIMORE
XSPEDIUS MANAGEMENT CO SWITCHES SERVICES LLC - MD
443
709
BLTMMDSNDS2
ARBUTUS
ADELPHIA BUSINESS SOLUTIONS OF MARYLAND LLC
443
710
BLTMMDSN5MD
CATONSVL
XO MARYLAND LLC
443
712
BLTMMDSNDS0
REISTERSTN
CAVALIER EAST LLC - MD
443
713
HNVAMDAYCM2
BALTIMORE
SPRINT SPECTRUM L.P.
443
714
CHNTVADHDS0
COLUMBIA
TIDALWAVE TELEPHONE INC.
443
715
BLARMDBL1MD
NORTH EAST
CAVALIER TELEPHONE LLC (MID-ATLANTIC) - MD
443
716
BLTMMDSNDS0
ANNAPOLIS
CAVALIER EAST LLC - MD
443
719
BLTMMDSNDS0
JARRETTSVL
CAVALIER EAST LLC - MD
443
720
CHNTVADHDS0
ELKTON
TIDALWAVE TELEPHONE INC.
443
722
BLTMMDCHXWY
BALTIMORE
OMNIPOINT COMMUNICATIONS CAP OPERATIONS LLC
443
723
CHNTVADHDS0
BRYNPKLNCM
TIDALWAVE TELEPHONE INC.
443
724
SLBRMDSBIMD
EASTON
CAVALIER TELEPHONE LLC (MID-ATLANTIC) - MD
443
725
BLTMMDCHW29
PARKVILLE
PAETEC COMMUNICATIONS INC.- MD
443
726
CHNTVADHDS0
TOWSON
TIDALWAVE TELEPHONE INC.
443
727
SLBRMDSBDC0
BISHOPVL
CAVALIER TELEPHONE LLC (MID-ATLANTIC) - MD
443
728
SLBRMDSBDC0
BERLIN
CAVALIER TELEPHONE LLC (MID-ATLANTIC) - MD
443
729
BLTMMDCHW29
WOODLAWN
PAETEC COMMUNICATIONS INC.- MD
443
730
BLTMMDCHW29
ESSEX
PAETEC COMMUNICATIONS INC.- MD
443
731
BLTMMDFMDS0
PT DEPOSIT
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
732
BLTMMDFMDS0
SILVER RUN
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
733
BLTMMDCHDS7
WATERLOO
AT&T LOCAL
443
734
ODTNMDONDS0
SEVERN
VERIZON MARYLAND INC.
443
735
ESTNMDBTCM0
SALISBURY
DOBSON CELLULAR SYSTEMS INC.
443
736
ESTNMDBTCM0
SALISBURY
DOBSON CELLULAR SYSTEMS INC.
443
737
BLTMMDCHW29
WATERLOO
PAETEC COMMUNICATIONS INC.- MD
443
738
BLTMMDCHW29
PIKESVILLE
PAETEC COMMUNICATIONS INC.- MD
443
739
BLTMMDCHXWY
BALTIMORE
OMNIPOINT COMMUNICATIONS CAP OPERATIONS LLC
443
741
PRHLMD03CM0
PIKESVILLE
MAP MOBILE COMMUNICATIONS INC.
443
742
BLTMMDCHCM1
BALTIMORE
AT&T WIRELESS SERVICES INC.
443
744
HNVAMDBIW01
REISTERSTN
NEXTEL COMMUNICATIONS
443
745
WDLWMDEMCM2
COLUMBIA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS-MD
443
746
SLBRMDSCX1X
EASTON
ICG TELECOM GROUP - MD
443
747
BLTMMDCHXIZ
PT DEPOSIT
ICG TELECOM GROUP - MD
443
748
BLTMMDSNDS0
MILLERSVL
CAVALIER EAST LLC - MD
443
749
HNVAMDBHRS0
GLENBURNIE
CAVALIER TELEPHONE MID-ATLANTIC. LLC - MD
443
750
LNHGMDAVDS0
TOWSON
BROADSTREET COMMUNICATIONS INC. - MD
443
751
BLTMMDSNDS0
WOODLAWN
CAVALIER EAST LLC - MD
443
752
BLARMDBLXMD
BEL AIR
KMC TELECOM III INC. - MD
443
753
WASHDCRKDS3
WATERLOO
ALLEGIANCE TELECOM INC. - MD
443
754
WDLWMDAXH01
ELLICOTTCY
TRI STATE RADIO PAGING - PENNSYLVANIA
443
755
EKRGMDELDS0
WATERLOO
VERIZON MARYLAND INC.
443
756
BLTMMDCHCM1
BALTIMORE
AT&T WIRELESS SERVICES INC.
443
757
BLTMMDSNDS0
ELKRIDGE
CAVALIER EAST LLC - MD
443
758
BLTMMDCHXEX
ANNAPOLIS
AT&T LOCAL
443
760
BLTMMDCHDS7
ABERDEEN
AT&T LOCAL
443
762
HNVAMDAYCM2
BALTIMORE
SPRINT SPECTRUM L.P.
443
763
BLTMMDAFDS0
GLENBURNIE
WINSTAR COMMUNICATIONS LLC - MD
443
765
HNVAMDATCM1
CATONSVL
WASHINGTON/BALTIMORE CELLULAR LIMITED PARTNERSHIP
443
767
BLTMMDSNDS0
WORTHINGTN
CAVALIER EAST LLC - MD
443
768
HNVAMDAYCM2
BALTIMORE
SPRINT SPECTRUM L.P.
443
769
443
770
ARMGMDARDS0
ARGRGBSNIS
VERIZON MARYLAND INC.
443
772
HNVAMDBHRS0
ESSEX
CAVALIER TELEPHONE MID-ATLANTIC. LLC - MD
443
773
BLTMMDCDDS0
BRYNPKLNCM
ALLEGIANCE TELECOM INC. - MD
443
774
LARLMDCC1MD
BALTIMORE
XSPEDIUS MANAGEMENT CO SWITCHES SERVICES LLC - MD
443
775
LARLMDCC1MD
BALTIMORE
XSPEDIUS MANAGEMENT CO SWITCHES SERVICES LLC - MD
443
776
LARLMDCC1MD
BALTIMORE
XSPEDIUS MANAGEMENT CO SWITCHES SERVICES LLC - MD
443
777
ESSXMDEXDS0
ESSEX
VERIZON MARYLAND INC.
443
778
LARLMDLRDS0
WATERLOO
VERIZON MARYLAND INC.
443
779
ABRDMDABXMD
ABERDEEN
KMC TELECOM III INC. - MD
443
780
CLMAMDJTDS0
WOODLAWN
US LEC OF MARYLAND INC.
443
781
BLTMMDDN4MD
ARGRGBSNIS
GLOBAL NAPS SOUTH INC. - MD
443
782
BLTMMDDN4MD
ANNAPOLIS
GLOBAL NAPS SOUTH INC. - MD
443
783
SLBRMDAZCM1
SALISBURY
CELLCO PARTNERSHIP DBA VERIZON WIRELESS-MD
443
784
BLTMMDFMDS0
ARGRGBSNIS
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
785
BLTMMDDN4MD
ARBUTUS
GLOBAL NAPS SOUTH INC. - MD
443
786
SLBRMDAZCM1
EASTON
CELLCO PARTNERSHIP DBA VERIZON WIRELESS-MD
443
787
BLTMMDDN4MD
BEL AIR
GLOBAL NAPS SOUTH INC. - MD
443
788
BLTMMDDN4MD
ABERDEEN
GLOBAL NAPS SOUTH INC. - MD
443
789
HNVAMDATCM1
WESTMINSTR
WASHINGTON/BALTIMORE CELLULAR LIMITED PARTNERSHIP
443
790
HNVAMDBIW01
GLENBURNIE
NEXTEL COMMUNICATIONS
443
791
HNVAMDATCM1
TOWSON
WASHINGTON/BALTIMORE CELLULAR LIMITED PARTNERSHIP
443
793
BLTMMDSN5MD
PARKVILLE
XO MARYLAND LLC
443
794
BLTMMDCHCM1
BALTIMORE
AT&T WIRELESS SERVICES INC.
443
795
BLTMMDSN5MD
SEVERN
XO MARYLAND LLC
443
796
BLTMMDSN5MD
PIKESVILLE
XO MARYLAND LLC
443
797
BLTMMDSN5MD
TOWSON
XO MARYLAND LLC
443
798
LARLMDCC1MD
TOWSON
XSPEDIUS MANAGEMENT CO SWITCHES SERVICES LLC - MD
443
799
BLTMMDCHCM1
BALTIMORE
AT&T WIRELESS SERVICES INC.
443
801
HNVAMDAYCM2
BALTIMORE
SPRINT SPECTRUM L.P.
443
802
HNVAMDAYCM2
BALTIMORE
SPRINT SPECTRUM L.P.
443
803
HNVAMDAYCM2
BALTIMORE
SPRINT SPECTRUM L.P.
443
804
HNVAMDAYCM2
BALTIMORE
SPRINT SPECTRUM L.P.
443
807
HNVAMDBICM1
FALLSTON
NEXTEL COMMUNICATIONS
443
808
LARLMDCC1MD
BALTIMORE
XSPEDIUS MANAGEMENT CO SWITCHES SERVICES LLC - MD
443
809
LARLMDCC1MD
BALTIMORE
XSPEDIUS MANAGEMENT CO SWITCHES SERVICES LLC - MD
443
812
WDLWMDEMCM2
COLUMBIA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS-MD
443
815
BLTMMDSN5MD
ESSEX
XO MARYLAND LLC
443
816
BLTMMDCDDS0
SEVERNA PK
ALLEGIANCE TELECOM INC. - MD
443
817
BLTMMDCDDS0
ARGRGBSNIS
ALLEGIANCE TELECOM INC. - MD
443
819
LARLMDCC1MD
BALTIMORE
XSPEDIUS MANAGEMENT CO SWITCHES SERVICES LLC - MD
443
820
BLTMMDAFDS0
ELKRIDGE
WINSTAR COMMUNICATIONS LLC - MD
443
822
HNVAMDAYCM2
ANNAPOLIS
SPRINT SPECTRUM L.P.
443
824
BLTMMDCHXWY
TOWSON
OMNIPOINT COMMUNICATIONS CAP OPERATIONS LLC
443
827
WDLWMDEMCM2
BALTIMORE
CELLCO PARTNERSHIP DBA VERIZON WIRELESS-MD
443
828
BLTMMDSNDS0
ELLICOTTCY
CAVALIER EAST LLC - MD
443
829
HNVAMDBICM1
BALTIMORE
NEXTEL COMMUNICATIONS
443
830
HNVAMDBHRS0
CATONSVL
CAVALIER TELEPHONE MID-ATLANTIC. LLC - MD
443
831
BLTMMDCHCM1
BALTIMORE
AT&T WIRELESS SERVICES INC.
443
832
BLTMMDSNDS1
COLUMBIA
LEVEL 3 COMMUNICATIONS LLC - MD
443
833
HNVAMDATDS0
ARBUTUS
SBC TELECOM INC. - MD
443
834
BLTMMDSNDS2
TOWSON
ADELPHIA BUSINESS SOLUTIONS OF MARYLAND LLC
443
836
BLTMMDDN4MD
BALTIMORE
GLOBAL NAPS SOUTH INC. - MD
443
837
CLMAMDJTDS0
ANNAPOLIS
US LEC OF MARYLAND INC.
443
838
BLTMMDCHCM1
BALTIMORE
AT&T WIRELESS SERVICES INC.
443
841
CYVLMDCKDS0
TOWSON
VERIZON MARYLAND INC.
443
843
HDGRMDHVDS0
HAVREGRACE
VERIZON MARYLAND INC.
443
845
CTVLMDBACM1
BALTIMORE
CELLCO PARTNERSHIP DBA VERIZON WIRELESS-MD
443
846
HNVAMDATDS0
TOWSON
SBC TELECOM INC. - MD
443
848
HNVAMDATDS0
GLENBURNIE
SBC TELECOM INC. - MD
443
849
TWSNMDTWDS0
TOWSON
VERIZON MARYLAND INC.
443
850
BLTMMDCHXWY
BALTIMORE
OMNIPOINT COMMUNICATIONS CAP OPERATIONS LLC
443
851
BLTMMDCHXWY
CATONSVL
OMNIPOINT COMMUNICATIONS CAP OPERATIONS LLC
443
852
BLTMMDCHXNX
ANNAPOLIS
AT&T WIRELESS SERVICES INC.
443
854
BLTMMDCHXWY
BALTIMORE
OMNIPOINT COMMUNICATIONS CAP OPERATIONS LLC
443
856
SLBRMDFSDS0
OCEAN CITY
CORE COMMUNICATIONS INC. - MD
443
857
BLTMMDCHXWY
BALTIMORE
OMNIPOINT COMMUNICATIONS CAP OPERATIONS LLC
443
858
BLTMMDCHXWY
BALTIMORE
OMNIPOINT COMMUNICATIONS CAP OPERATIONS LLC
443
859
SLBRMDSCXMD
SALISBURY
OMNIPOINT COMMUNICATIONS CAP OPERATIONS LLC
443
862
LNHGMDAVDS0
DUNDALK
BROADSTREET COMMUNICATIONS INC. - MD
443
864
HNVAMDBICM1
COLUMBIA
NEXTEL COMMUNICATIONS
443
865
HNVAMDBIW01
BALTIMORE
NEXTEL COMMUNICATIONS
443
866
HNVAMDAYCM3
BEL AIR
SPRINT SPECTRUM L.P.
443
867
BLTMMDSNDS2
GLENBURNIE
ADELPHIA BUSINESS SOLUTIONS OF MARYLAND LLC
443
868
BLTMMDFRDS0
ESSEX
VERIZON MARYLAND INC.
443
870
LARLMDCC1MD
PIKESVILLE
XSPEDIUS MANAGEMENT CO SWITCHES SERVICES LLC - MD
443
871
HNVAMDBICM1
ANNAPOLIS
NEXTEL COMMUNICATIONS
443
872
HNVAMDATDS0
BALTIMORE
SBC TELECOM INC. - MD
443
873
LARLMDCC1MD
CHASE
XSPEDIUS MANAGEMENT CO SWITCHES SERVICES LLC - MD
443
874
BLTMMDDNXMD
BALTIMORE
KMC TELECOM III INC. - MD
443
875
HNVAMDATDS0
ANNAPOLIS
SBC TELECOM INC. - MD
443
876
HNVAMDATDS0
BEL AIR
SBC TELECOM INC. - MD
443
877
BLTMMDSNDS1
NORTH EAST
LEVEL 3 COMMUNICATIONS LLC - MD
443
878
HNVAMDATDS0
COLUMBIA
SBC TELECOM INC. - MD
443
879
HNVAMDATDS0
DUNDALK
SBC TELECOM INC. - MD
443
880
WYMLMDMWEMD
SALISBURY
AT&T LOCAL
443
883
BLTMMDCHDS7
GLENBURNIE
AT&T LOCAL
443
884
LNHGMDAVDS0
BALTIMORE
BROADSTREET COMMUNICATIONS INC. - MD
443
885
BLTMMDMSRS0
BALTIMORE
VERIZON MARYLAND INC.
443
886
BLTMMDCHDS7
COCKEYSVL
AT&T LOCAL
443
889
BLTMMDCHXWY
GLENBURNIE
OMNIPOINT COMMUNICATIONS CAP OPERATIONS LLC
443
891
BLTMMDSN5MD
GLENBURNIE
XO MARYLAND LLC
443
893
BLTMMDSN5MD
WOODLAWN
XO MARYLAND LLC
443
896
BLTMMDCHDS7
COLUMBIA
AT&T LOCAL
443
899
BLTMMDCHXZY
WATERLOO
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
443
901
HNVAMDBHRS0
TOWSON
CAVALIER TELEPHONE MID-ATLANTIC. LLC - MD
443
904
CTVLMDBACM1
BALTIMORE
CELLCO PARTNERSHIP DBA VERIZON WIRELESS-MD
443
907
NRTEMDAICM1
ELKTON
CELLCO PARTNERSHIP DBA VERIZON WIRELESS-MD
443
910
BLTMMDCHCM1
BEL AIR
AT&T WIRELESS SERVICES INC.
443
912
BLTMMD91DS1
TOWSON
CORE COMMUNICATIONS INC. - MD
443
914
BLTMMDFMDS0
WORTHINGTN
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
918
BLTMMDFMDS0
TANEYTOWN
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
919
HNVAMDBHRS0
BALTIMORE
CAVALIER TELEPHONE MID-ATLANTIC. LLC - MD
443
920
CLMAMDNIDS1
SYKESVILLE
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
921
BLTMMDCHW29
TOWSON
PAETEC COMMUNICATIONS INC.- MD
443
923
BLTMMDSNDS0
BALTIMORE
CAVALIER EAST LLC - MD
443
926
ANNPMDAN6MD
ANNAPOLIS
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
443
927
BLTMMDCHXZY
BALTIMORE
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
443
928
CTVLMDBACM1
BALTIMORE
CELLCO PARTNERSHIP DBA VERIZON WIRELESS-MD
443
929
BLTMMDCHXWY
PIKESVILLE
OMNIPOINT COMMUNICATIONS CAP OPERATIONS LLC
443
932
WDLWMDBPCM0
WOODLAWN
NETWORK SERVICES LLC
443
936
BLTMMDMD6WD
BALTIMORE
VERIZON MARYLAND INC.
443
937
BLTMMDFMDS0
UNION BDG
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
939
BLTMMDCHXWY
BALTIMORE
OMNIPOINT COMMUNICATIONS CAP OPERATIONS LLC
443
940
HNVAMDBHRS0
PIKESVILLE
CAVALIER TELEPHONE MID-ATLANTIC. LLC - MD
443
941
BLTMMDCHX5Z
BALTIMORE
KMC TELECOM III INC. - MD
443
942
CLMAMDNIDS1
SEVERNA PK
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
943
BLTMMDFMDS0
SPARROWSPT
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
945
EKTNMDEK2MD
ELKTON
AT&T WIRELESS SERVICES INC.
443
946
BLTMMDDN4MD
PARKVILLE
GLOBAL NAPS SOUTH INC. - MD
443
947
BLTMMDDN4MD
PERRYVILLE
GLOBAL NAPS SOUTH INC. - MD
443
951
BLTOMDXIDS0
ANNAPOLIS
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
956
BLTMMDCHCM1
BALTIMORE
AT&T WIRELESS SERVICES INC.
443
957
BLTMMDCHDS7
BALTIMORE
AT&T LOCAL
443
967
NRTEMDNERS0
NORTH EAST
VERIZON MARYLAND INC.
443
968
HNTWMDAA1MD
PRINCEFRCK
DOBSON CELLULAR SYSTEMS INC.
443
969
BLTMMDSNDS0
ESSEX
CAVALIER EAST LLC - MD
443
971
LNHGMDAVDS0
COCKEYSVL
BROADSTREET COMMUNICATIONS INC. - MD
443
973
HNVAMDATDS0
ELLICOTTCY
SBC TELECOM INC. - MD
443
974
BLTMMDFMDS0
WESTMINSTR
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
975
HNTWMDAA1MD
PRINCEFRCK
DOBSON CELLULAR SYSTEMS INC.
443
980
HNVAMDATCM1
CATONSVL
WASHINGTON/BALTIMORE CELLULAR LIMITED PARTNERSHIP
443
981
BLTMMDCHCM1
BALTIMORE
AT&T WIRELESS SERVICES INC.
443
983
BLTMMDCHXWY
BALTIMORE
OMNIPOINT COMMUNICATIONS CAP OPERATIONS LLC
443
984
BLTMMDCHDS2
BALTIMORE
VERIZON MARYLAND INC.
443
985
BLTMMDCHXWY
RANDALLSTN
OMNIPOINT COMMUNICATIONS CAP OPERATIONS LLC
443
987
BLTMMDCHDS7
BEL AIR
AT&T LOCAL
443
988
HNVAMDAYCM2
BALTIMORE
SPRINT SPECTRUM L.P.
443
989
BLTMMDSNDS0
GLENBURNIE
CAVALIER EAST LLC - MD
443
992
BLTMMDSNDS1
BALTIMORE
LEVEL 3 COMMUNICATIONS LLC - MD
443
994
BLTMMDCHXNX
ANNAPOLIS
AT&T WIRELESS SERVICES INC.
443
995
BLTMMDCHXNX
ANNAPOLIS
AT&T WIRELESS SERVICES INC.
443
996
HNVAMDATCM1
CATONSVL
WASHINGTON/BALTIMORE CELLULAR LIMITED PARTNERSHIP
443
997
BLTMMDUVDS0
BALTIMORE
VERIZON MARYLAND INC.
443
998
LNHGMDAVDS0
PARKVILLE
BROADSTREET COMMUNICATIONS INC. - MD
443
999
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