NPA
NXX
CLLI
City, ST
Telco
484
230
EXTNPAEXDS0
EXTON
VERIZON PENNSYLVANIA INC.
484
252
PHLAPAFGCM1
EXTON
SPRINT SPECTRUM L.P.
484
713
PHLAPAFGDSG
EXTON
US LEC OF PENNSYLVANIA INC.
484
870
PHLAPAFG7MD
EXTON
SNIP LINK L.L.C. - PA
484
872
PHLBPAPU5MD
EXTON
GLOBAL CROSSING LOCAL SERVICES INC.-PA
484
873
PHLAPAFGDS7
EXTON
LEVEL 3 COMMUNICATIONS LLC - PA
484
874
NATNPAAGDS0
EXTON
RCN TELECOM SERVICE OF PENNSYLVANIA INC.
484
875
EXTNPAEXDS0
EXTON
VERIZON PENNSYLVANIA INC.
484
876
NWRKDEWWDS0
EXTON
CAVALIER TELEPHONE LLC (MID-ATLANTIC) - PA
484
877
LPTPPABHDS0
EXTON
RCN TELECOM SVCS OF PHILADEL DBA RCN OF PHILADELPH
484
879
PHLAPAFGDSE
EXTON
PAETEC COMMUNICATIONS INC. PA
610
280
EXTNPAEXDS0
EXTON
VERIZON PENNSYLVANIA INC.
610
363
EXTNPAEXDS0
EXTON
VERIZON PENNSYLVANIA INC.
610
423
PHLBPABJDS3
EXTON
ATX TELECOMMUNICATIONS SERVICES LTD
610
450
FTWSPAFWDS0
EXTON
PECO HYPERION TELECOMMUNICATIONS
610
524
EXTNPAEXDS0
EXTON
VERIZON PENNSYLVANIA INC.
610
561
WAYNPALADS2
EXTON
AT&T LOCAL
610
594
EXTNPAEXDS0
EXTON
VERIZON PENNSYLVANIA INC.
610
884
PHLAPAAZDS2
EXTON
TCG DELAWARE VALLEY INC. PA
610
903
PHLAPAMK1MD
EXTON
XO PENNSYLVANIA INC.
610
968
PHLAPAFGDS0
EXTON
MCIMETRO ATS INC.