Area code 309 was first put in service January 01, 1957. Area code 309 is in USA (Illinois). 1-800-database has 649 records on file with a phone number in the area code of (309) and 109 comments.
The carriers providing phone numbers in 309 area code are: 360networks (usa) Inc., 365 Wireless, Adams Telephone Cooperative, Alec, American Messaging (am), Ameritech Illinois, AT&T Local, Bandwidth.com Clec, Bitwise Communications, Cambridge Telephone Co., Cass Telephone Company, Cellco Partnership DBA Verizon Wireless, Centurylink Communications LLC, Citizens Telecom Co Illinois-frontier Citizens -il, Comcast Phone Of Illinois DBA Comco, Electronic Engineering Company, El Paso Telephone Co., Frontier Communications Of Illinois, Frontier Communications Of Orion, Frontier Communications Of The Carolinas, Inc, Frontier North, Gallatin River Communications DBA Centurylink, Geneseo Telephone Co., Glasford Telephone Co., Gridley Telephone Co., Henry County Telephone Co., Illinois Valley Cellular Rsa 2-ii Partnership, Innotech Corporation, Iowa Wireless Services, Lp, Level 3 Communications, Mcdonough Telephone Cooperative, Mci Worldcom Communications, Mcleodusa Telecommunications Services- Il, Mediacom Telephony Of Illinois, Metamora Telephone Co., Mid Century Telephone Co-operative, Mtc Communications, Mtco Communications, Neutral Tandem-illinois, New Cingular Wireless PCS, New Windsor Cable Tv, New Windsor Telephone Co., Oneida Network Services, Oneida Telephone Exchange, Peerless Network Of Illinois, Reynolds Telephone Co., Sbc Internet Services, Sprint Communications Company, L.p., Sprint Spectrum L.p., Teleport Communications America, T-mobile Usa, United States Cellular Corp. - Illinois, Usa Mobility Wireless, Viola Home Telephone Co., Woodhull Community Telephone Co., Ymax Communications Corp..
Counties located in area code 309 are: BUREAU, DEWITT, FULTON, HANCOCK, HENDERSON, HENRY, KNOX, MARSHALL, MASON, MCDONOUGH, MCLEAN, MERCER, PEORIA, ROCK ISLAND, SCOTT, STARK, TAZEWELL, WARREN, WHITESIDE, WOODFORD.
Largest city: Peoria
In service since: 01/01/1957
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