NPA
NXX
CLLI
City, ST
Telco
410
734
CCVLMDCHRS0
CHURCHVL
VERIZON MARYLAND INC.
410
914
BLARMDBL1MD
CHURCHVL
CAVALIER TELEPHONE LLC (MID-ATLANTIC) - MD
443
390
BLTOMDXIDS0
CHURCHVL
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
412
BLTMMDFMDS0
CHURCHVL
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
582
BLTMMDDN4MD
CHURCHVL
GLOBAL NAPS SOUTH INC. - MD
585
293
CCVLNYXARS0
CHURCHVL
FRONTIER TELEPHONE OF ROCHESTER