NPA
NXX
CLLI
City, ST
Telco
410
378
BNBRMDBRRS0
PT DEPOSIT
VERIZON MARYLAND INC.
443
227
BLTMMDDN4MD
PT DEPOSIT
GLOBAL NAPS SOUTH INC. - MD
443
731
BLTMMDFMDS0
PT DEPOSIT
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
747
BLTMMDCHXIZ
PT DEPOSIT
ICG TELECOM GROUP - MD