NPA
NXX
CLLI
City, ST
Telco
309
479
CSTNILXDRS0
CASTLETON
VERIZON NORTH INC.-IL
309
480
PEORILTCDS0
CASTLETON
BITWISE COMMUNICATIONS INC. - IL
518
336
ALBYNYSSDS5
CASTLETON
TELEPORT COMMUNICATIONS GROUP - NY
518
717
ALBYNYYCH02
CASTLETON
HYPERION TELECOMM EASTERN NY DBA ADELPHIA BUS SOLU
518
732
CSTNNYCSDS0
CASTLETON
VERIZON NEW YORK INC.
518
754
ALBYNYWBDS1
CASTLETON
PAETEC COMMUNICATIONS INC.
802
421
BRBOVTMA3MD
CASTLETON
GLOBAL NPAS INC. - VT
802
468
CSTNVTSORS1
CASTLETON
VERIZON NEW ENGLAND INC.
802
671
SBTNVTDPDS0
CASTLETON
ADELPHIA BUSINESS SOLUTIONS OF VERMONT INC.