NPA
NXX
CLLI
City, ST
Telco
208
652
ASTNIDMARS0
ASHTON
FREMONT TELCOM CO
240
342
LNHMMDADDS0
ASHTON
STARPOWER COMMUNICATIONS LLC - MD
240
389
WASHDC091MD
ASHTON
ATX TELECOMMUNICATIONS SERVICES LTD
240
390
HRNDVA13DS0
ASHTON
CAVALIER TELEPHONE MID-ATLANTIC. LLC - MD
240
437
WASHDCCZDS0
ASHTON
XO MARYLAND LLC
240
536
RSTNVA31DS0
ASHTON
GLOBAL NAPS SOUTH INC. - MD
240
559
WASHDCRKDS3
ASHTON
ALLEGIANCE TELECOM INC. - MD
240
722
WASJDCDCDS0
ASHTON
GLOBAL CROSSING LOCAL SERVICES INC.-MD
240
779
WASJDCDBDS1
ASHTON
CAVALIER EAST LLC - MD
240
883
WASHDCRKDS2
ASHTON
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
240
938
BTVLMD12CM0
ASHTON
OMNIPOINT COMMUNICATIONS CAP OPERATIONS LLC
301
232
BLTMMDDNDS0
ASHTON
MCIMETRO ATS INC.
301
260
OLNYMDOKDS0
ASHTON
VERIZON MARYLAND INC.
301
421
SLSPMDCVDS0
ASHTON
VERIZON MARYLAND INC.
301
476
SLSPMDCVDS0
ASHTON
VERIZON MARYLAND INC.
301
549
LARLMDLRDS0
ASHTON
VERIZON MARYLAND INC.
301
570
OLNYMDOKDS0
ASHTON
VERIZON MARYLAND INC.
301
612
MRFDVAATCM0
ASHTON
NETWORK SERVICES LLC (TSR)
301
658
WASHDCTTDS0
ASHTON
TELEPORT COMMUNICATIONS GROUP INC. - DC
301
774
OLNYMDOKDS0
ASHTON
VERIZON MARYLAND INC.
301
804
WASHDCINDS0
ASHTON
MCIMETRO ATS INC.
301
854
CLVLMDCEDS0
ASHTON
VERIZON MARYLAND INC.
301
940
SLSPMDCVDS0
ASHTON
VERIZON MARYLAND INC.
308
738
ASTNNERBRS1
ASHTON
NEBRASKA CENTRAL TELEPHONE CO.
712
724
ASTNIAXORS7
ASHTON
CITIZENS TELECOM OF IOWA DBA FRONTIER COMM OF IOWA
815
453
ASTNILXARS0
ASHTON
VERIZON NORTH INC.-IL (CONTEL)
815
843
STNGILBBDS0
ASHTON
ESSEX TELCOM INC.