267 Carriers

Ymax Communcations Corp. - Fl Xo Pennsylvania, Inc.
Verizon Pennsylvania, Inc. Verizon Pennsylvania, Inc - P
Us Lec Of Pennsylvania, Inc. Telcove Of Eastern Pennsylvani
Tcg Delaware Valley, Inc. - Pa Sprint Spectrum L.P.
Sprint Spectrum L P Sprint Communications Company,
Southwestern Bell Mobile Syste Snip Link, L.L.C. - Pa
Service Electric Telephone, In Schuylkill Mobile Fone, Inc.
Sbc Telecom, Inc. - Pa Remi Retail Communications, Ll
Rcn Telecom Svcs Of Philadel D Rcn Telecom Services, Inc. Dba
Rcn Telecom Services Of Pennsy Paetec Communications, Inc. -
Pac-West Telecomm, Inc. - Pa Omnipoint Communications Enter
Nextel Communications, Inc. New Cingular Wireless Pcs
Netcarrier Telecom, Inc. Netcarrier Telecom
Net-Tel Corporation-Pa Metrocall
Mci Worldcom Communications, I Mci Metro Ats, Inc. - Pa
Level 3 Communications, Llc - Leap Wireless Intl
Kmc Telecom V, Inc. - Pa Global Naps South, Inc. - De
Global Naps - Pa Global Crossing Local Services
Ctsi, Llc Core Communications, Inc. - Pa
Comcast Phone Of Pennsylvania, Comcast Phone Of Pennsylvania
Comcast Business Communication Cellco Partnership Dba Verizon
Cccpa, Inc. Dba Connect! Cavalier Telephone, Llc (Mid-A
Cavalier Telephone Mid-Atlanti Broadwing Communications, Llc
Broadview Networks, Inc.-Pa Broadview Networks
Blue Licenses Holding, Llc Bandwidth Com Clec
Atx Telecommunications Service At&T - Local - Pa
Allegiance Telecom Of Pennsylv


267 Cities

YardleyWillow Grove
WarringtonWarminster
SouthamptonSouderton
QuakertownPipersville
Phldlphzn1Philadelphia
PerkasiePennsburg
OttsvilleNorth Wales
NorristownNewtown
New HopeMorrisville
MechanicsvilleLine Lexington
LevittownLansdale
LanghorneJenkintown
Huntingdon ValleyHatboro
HarrisburgHarleysville
Green LaneFurlong
Ft WashFort Washington
FlourtownFairless Hills
DublinDoylestown
ChurchvilleCarversville
BristolAmbler


267 Exchanges

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