773 Carriers

Xo Illinois, Inc. United States Cellular Corp.
United States Cellular Corp Il Teleport Communications Chicag
Tds Metrocom, Inc. - Il T-Mobile Usa, Inc.
T Mobile Usa Sprint Spectrum L.P.
Sprint Spectrum L P Sprint Communications Company,
Southwestern Bell Mobile Syste Sigecom
Rcn Telecom Services Of Illino Peerless Network Of Illinois
Paetec Communications, Inc. - Pac-West Telecomm, Inc. - Il
Ovation Communications Of Illi Nextel Communications, Inc.
Multi Computer Systems, Inc. Mpower Communications Corp - I
Metrocall Mci Worldcom Communications, I
Mci Metro Ats, Inc. - Il Map Mobile Communications
Level 3 Communications, Llc - Illinois Bell Tel Co - Il
Illinois Bell Tel Co Heartland Communications, Inc.
Globalcom, Inc.-Il Globalcom
Global Crossing Local Services Forte Communications
Comcast Phone Of Illinois, Llc Cellular Paging Usa, Inc.
Cellco Partnership Dba Verizon Broadwing Communications, Llc
Blue Licenses Holding, Llc Beepermart, Inc.
At&T - Local - Il Arch Wireless Holdings, Inc.
American Messaging (Am), Inc. Allegiance Telecom Of Illinois
Air Free Paging Adbeep, Llc

773 Cities

Wood DaleSummit
Schiller ParkSchaumburg
River GrovePark Ridge
Oak BrookLombard
Hickory HillsEvanston
Elk Grove VillageDes Plaines
Arlington Heights

773 Exchanges