NPA
NXX
CLLI
City, ST
Telco
240
229
WASHDCRKDS2
WALDORF
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
240
232
WASHDCRKDS2
WSNGTNZN14
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
240
273
WASHDCRKDS2
WSHNGTNZN6
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
240
434
WASHDCRKDS2
LEONARDTN
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
240
528
WASHDCRKDS2
HUGHESVL
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
240
599
WASHDCRKDS2
WSNGTNZN10
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
240
638
WASHDCRKDS2
WSHNGTNZN3
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
240
744
WASHDCRKDS2
WSHNGTNZN2
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
240
776
WASHDCRKDS2
LA PLATA
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
240
780
WASHDCRKDS2
GAITHERSBG
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
240
786
WASHDCRKDS2
LAUREL
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
240
787
WASHDCRKDS2
BRANDYWINE
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
240
788
WASHDCRKDS2
WSHNGTNZN5
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
240
790
WASHDCRKDS2
WSNGTNZN13
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
240
794
WASHDCRKDS2
LXTNPKGRML
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
240
880
WASHDCRKDS2
WSNGTNZN11
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
240
883
WASHDCRKDS2
ASHTON
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
240
892
WASHDCRKDS2
WSNGTNZN15
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
240
897
WASHDCRKDS2
WSNGTNZN16
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
240
898
WASHDCRKDS2
WSHNGTNZN4
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
443
300
BLTMMDCHXZY
SYKESVILLE
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
443
403
BLTMMDCHXZY
ABERDEEN
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
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
545
BLTMMDCHXZY
COLUMBIA
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
443
641
BLTMMDCHXZY
PIKESVILLE
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
443
899
BLTMMDCHXZY
WATERLOO
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
443
926
ANNPMDAN6MD
ANNAPOLIS
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
443
927
BLTMMDCHXZY
BALTIMORE
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC