NPA
NXX
CLLI
City, ST
Telco
309
667
NWWNILXDDS0
NEWWINDSOR
NEW WINDSOR TELEPHONE CO.
410
635
NWWNMDNWRS0
NEWWINDSOR
VERIZON MARYLAND INC.
443
647
BLTMMDDN4MD
NEWWINDSOR
GLOBAL NAPS SOUTH INC. - MD
443
671
BLTMMDFMDS0
NEWWINDSOR
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD