NPA
NXX
CLLI
City, ST
Telco
240
230
WASJDCDCDS0
HUGHESVL
GLOBAL CROSSING LOCAL SERVICES INC.-MD
240
254
WASHDCTTDS0
HUGHESVL
TELEPORT COMMUNICATIONS GROUP INC. - DC
240
376
RSTNVA31DS0
HUGHESVL
GLOBAL NAPS SOUTH INC. - MD
240
528
WASHDCRKDS2
HUGHESVL
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
240
837
WASHDCCZDS0
HUGHESVL
XO MARYLAND LLC
301
274
HUVLMDHVRS0
HUGHESVL
VERIZON MARYLAND INC.
570
584
HGHVPAXHDS0
HUGHESVL
ALLTEL PENNSYLVANIA INC.