217 Carriers

Verizon South Inc. - Il Verizon North Inc. - Il
United States Cellular Corp. - United States Cellular Corp.
United States Cellular Corp Il Tmp Corp.
Tmp Corp Teleport Communications Chicag
T-Mobile Usa, Inc. Swb Mobile Systems - Mo
Sprint Spectrum L.P.- Il Sprint Communications Company,
Southwestern Bell Mobile Syste Sbc Internet Services, Inc.
Salmon Pcs Licensee, Llc Pathnet
Omniplex Communications Group Odin Tel Exch Inc
North County Communication Cor Nextel Partners Operating Corp
Nextel Communications, Inc. Moultrie Independent Tel Co
Montrose Mutual Tel Co Mcleodusa Telecommunication Se
Mci Worldcom Communications, I Mcdonough Tel Coop
Level 3 Communications, Llc - Laharpe Tel Co
Kmc Telecom V, Inc. - Il Insight Phone Of Illinois, Llc
Illinois Valley Cellular Rsa 2 Illinois Consolidated Tel Co
Illinois Bell Tel Co - Il Illinois Bell Tel Co
Heartland Communications, Inc. Grandview Mutual Tel Co
Frontier Communications-Schuyl Frontier Communications-Midlan
Frontier Communications Of Mt. Frontier Communications Of Lak
Frontier Communications Of Ill Egix Network Services, Inc. -
Cost Plus Communications Comcast Phone Of Illinois
Clarksville Mutual Tel Co Citizens Tel. Co. Of Il Dba Fr
Cellular Properties, Inc. Cellco Partnership Dba Verizon
Cass Telephone Company Bitwise Communications, Inc. -
Big River Telephone Company At&T - Local - Il
American Messaging (Am), Inc. Aero Communications
Adams Telsystems, Inc. Adams Tel Coop

217 Exchanges