309 Area Code Data

Area code 309 has a total estimated population of 927,015 people and covers the following localities in Illinois:

  • Abingdon
  • Albany
  • Aledo
  • Alexis
  • Alpha
  • Altona
  • Anchor
  • Annawan
  • Arrowsmith
  • Astoria
  • Atkinson
  • Avon
  • Bath
  • Bellflower
  • Benson
  • Biggsville
  • Bishop Hill
  • Bloomington
  • Bradford
  • Brimfield
  • Buda
  • Bushnell
  • Cambridge
  • Cameron
  • Camp Grove
  • Canton
  • Carlock
  • Carman
  • Castleton
  • Chillicothe
  • Coal Valley
  • Colchester
  • Colfax
  • Colona
  • Congerville
  • Cooksville
  • Cordova
  • Cuba
  • Danvers
  • Davenport
  • Deer Creek
  • Delavan
  • Downs
  • Dunlap
  • East Moline
  • East Peoria
  • Easton
  • Edelstein
  • El Paso
  • Ellisville
  • Ellsworth
  • Elmwood
  • Erie
  • Eureka
  • Fairview
  • Farmer City
  • Farmington
  • Fiatt
  • Forest City
  • Galesburg
  • Galva
  • Geneseo
  • Gilson
  • Glasford
  • Goodfield
  • Green Valley
  • Gridley
  • Groveland
  • Hanna City
  • Havana
  • Henry
  • Heyworth
  • Hillsdale
  • Hopedale
  • Hudson
  • Illinois City
  • Ipava
  • Joy
  • Keithsburg
  • Kewanee
  • Kilbourne
  • Kirkwood
  • Knoxville
  • La Fayette
  • Lacon
  • Le Roy
  • Lewistown
  • Little York
  • London Mills
  • Lynn Center
  • Mackinaw
  • Macomb
  • Manito
  • Maquon
  • Marietta
  • Matherville
  • Mc Lean
  • Metamora
  • Milan
  • Mineral
  • Minier
  • Minonk
  • Moline
  • Monmouth
  • Morton
  • Neponset
  • New Boston
  • New Windsor
  • North Henderson
  • Oneida
  • Oquawka
  • Orion
  • Osco
  • Pekin
  • Peoria
  • Plymouth
  • Port Byron
  • Prairie City
  • Preemption
  • Princeville
  • Reynolds
  • Rio
  • Roanoke
  • Rock Island
  • Roseville
  • Saint David
  • San Jose
  • Saybrook
  • Seaton
  • Secor
  • Sherrard
  • Smithfield
  • South Pekin
  • Sparland
  • Stanford
  • Stronghurst
  • Table Grove
  • Taylor Ridge
  • Topeka
  • Toulon
  • Towanda
  • Tremont
  • Trivoli
  • Varna
  • Vermont
  • Victoria
  • Viola
  • Washburn
  • Washington
  • Wataga
  • Williamsfield
  • Woodhull
  • Wyoming
  • Yates City

The (309) area code is comprised of 611 unique phone exchanges: