Cities Covered :
Rockford,
Hickory Hills,
Rock Island,
Willowbrook,
Chicago,
DeKalb,
Aurora,
Elmhurst,
Kankakee,
Sterling,
Joliet,
Sheffield,
Elgin,
Madison,
Machesney Park,
Dixon,
Carriers :
Cellco Partnership Dba Verizon Wireless - Il,
Teleport Communications America Llc - Il,
Sprint Spectrum L.p.,
New Cingular Wireless Pcs Llc - Il,
Peerless Network Of Illinois Llc - Il,
Sbc Internet Services Inc.,
365 Wireless Llc,
Mediacom Telephony Of Illinois Llc - Il,
Local Access Llc,
Bandwidth.com Clec Llc - Il,
Broadvox-clec Llc - Il,
Cygnus Telecommunications Corporation - Il,
Comcast Phone Of Illinois Llc Dba Comco - Il,
Iowa Wireless Services Lp,
Denali Spectrum License Llc,
Neutral Tandem-illinois Llc - Il,
Charter Fiberlink - Illinois Llc - Il,
Ymax Communications Corp. - Il,
Mtco Communications Inc.,
Ameritech Illinois,
T-mobile Usa Inc.,
Digital Network Access Communications Inc. - Il,
Mcleodusa Telecommunications Services Inc.- Il,
Tds Metrocom Inc.-il,
