570 Carriers

Ymax Communications Corp Pa Xo Pennsylvania, Inc.
Windstream Pennsylvania, Inc. Windstream Pennsylvania
Verizon Pennsylvania, Inc. Verizon Pennsylvania
Verizon North Inc. - Pa Verizon North Inc Pa
Verizon Pennsylvania, Inc - P Us Lec Of Pennsylvania, Inc.
United Tel Co Of Pennsylvania Tern Wireless, L.P.
Telcove Of Pennsylvania, Inc. Sugar Valley Tel Co
Sprint Spectrum L.P.- Pa Sprint Spectrum L P Pa
Sprint Communications Company, Sprint Communications Company
Southwestern Bell Mobile Syste South Canaan Tel Co
South Canaan Cellular Communic Service Electric Telephone, In
Service Electric Telephone Schuylkill Mobile Fone, Inc.
Pennsylvania Tel Co Omnipoint Communications Enter
North Penn Tel Co North Eastern Pennsylvania Tel
Nextel Partners Operating Corp Nextel Communications, Inc.
New Cingular Wireless Pcs Nep Cellcorp, Inc.
Metrocall Mci Worldcom Communications, I
Mci Worldcom Communications Mci Metro Ats, Inc. - Pa
Mahanoy & Mahantango Telephone Maguire Electronics
Level 3 Communications, Llc - Lackawaxen Telecommunications
Kmc Telecom V, Inc. - Pa Keystone Wireless, Llc
Indigo Wireless, Inc. Idt America
Hancock Tel Co Frontier Communications Of Lak
Frontier Communications Of Can Deposit Tel Co Inc
Ctsi, Llc Core Communications, Inc. - Pa
Commpartners, Llc - Pa Commonwealth Telephone Company
Comcast Business Communication Citizens Tel. Co. Of Ny Dba Fr
Choice One Communications, Inc Cellco Partnership Dba Verizon
Cei Networks, Inc. - Pa Buffalo Valley Tel Co
Blue Licenses Holding, Llc Bandwidth Com Clec
At&T - Local - Pa Arch Wireless Holdings, Inc.
Americell Pa-3 Limited Partner American Cellular Corporation

570 Exchanges