309 area code is a telephone area code in the North American Numbering Plan (NANP) for the west-central part of Illinois, United States. The area code was created in 1957.
| Area Code | 309 |
|---|---|
| Major City | Peoria |
| Service Date | 01/01/1957 |
| Time Zone | Central |
| Overlay Complex | 309/861 |
| Location | Illinois (IL) |
| Country | United States |
Some of the cities served by area code 309 include Peoria, Bloomington, Normal, Moline, Rock Island, Pekin, Galesburg, East Peoria, East Moline and more.
| Area code | City/Town | County |
|---|---|---|
| 309 | Abingdon | Knox |
| 309 | Adair | McDonough |
| 309 | Albany | Whiteside |
| 309 | Aledo | Mercer |
| 309 | Alexis | Mercer |
| 309 | Alpha | Henry |
| 309 | Altona | Knox |
| 309 | Anchor | McLean |
| 309 | Andalusia | Rock Island |
| 309 | Andover | Henry |
| 309 | Annawan | Henry |
| 309 | Armington | Tazewell |
| 309 | Arrowsmith | McLean |
| 309 | Astoria | Fulton |
| 309 | Atkinson | Henry |
| 309 | Avon | Fulton |
| 309 | Bardolph | McDonough |
| 309 | Barstow | Rock Island |
| 309 | Bath | Mason |
| 309 | Bellflower | McLean |
| 309 | Benson | Woodford |
| 309 | Berwick | Warren |
| 309 | Biggsville | Henderson |
| 309 | Bishop Hill | Henry |
| 309 | Blandinsville | McDonough |
| 309 | Bloomington | McLean |
| 309 | Bradford | Stark |
| 309 | Brimfield | Peoria |
| 309 | Bryant | Fulton |
| 309 | Buda | Bureau |
| 309 | Buffalo Prairie | Rock Island |
| 309 | Bushnell | McDonough |
| 309 | Cambridge | Henry |
| 309 | Cameron | Warren |
| 309 | Camp Grove | Marshall |
| 309 | Canton | Fulton |
| 309 | Carbon Cliff | Rock Island |
| 309 | Carlock | McLean |
| 309 | Carman | Henderson |
| 309 | Castleton | Stark |
| 309 | Chillicothe | Peoria |
| 309 | Coal Valley | Rock Island |
| 309 | Colchester | McDonough |
| 309 | Colfax | McLean |
| 309 | Colona | Henry |
| 309 | Congerville | Woodford |
| 309 | Cooksville | McLean |
| 309 | Cordova | Rock Island |
| 309 | Creve Coeur | Tazewell |
| 309 | Cropsey | McLean |
| 309 | Cuba | Fulton |
| 309 | Dahinda | Knox |
| 309 | Danvers | McLean |
| 309 | Deer Creek | Tazewell |
| 309 | Delavan | Tazewell |
| 309 | Downs | McLean |
| 309 | Dunfermline | Fulton |
| 309 | Dunlap | Peoria |
| 309 | East Galesburg | Knox |
| 309 | East Moline | Rock Island |
| 309 | East Peoria | Tazewell |
| 309 | Easton | Mason |
| 309 | Edelstein | Peoria |
| 309 | Edwards | Peoria |
| 309 | El Paso | Woodford |
| 309 | Ellisville | Fulton |
| 309 | Ellsworth | McLean |
| 309 | Elmwood | Peoria |
| 309 | Erie | Whiteside |
| 309 | Eureka | Woodford |
| 309 | Fairview | Fulton |
| 309 | Farmer City | Dewitt |
| 309 | Farmington | Fulton |
| 309 | Fenton | Whiteside |
| 309 | Fiatt | Fulton |
| 309 | Forest City | Mason |
| 309 | Galesburg | Knox |
| 309 | Galva | Henry |
| 309 | Geneseo | Henry |
| 309 | Gerlaw | Warren |
| 309 | Gilson | Knox |
| 309 | Gladstone | Henderson |
| 309 | Glasford | Peoria |
| 309 | Good Hope | McDonough |
| 309 | Goodfield | Woodford |
| 309 | Green Valley | Tazewell |
| 309 | Gridley | McLean |
| 309 | Groveland | Tazewell |
| 309 | Hampton | Rock Island |
| 309 | Hanna City | Peoria |
| 309 | Havana | Mason |
| 309 | Henderson | Knox |
| 309 | Henry | Marshall |
| 309 | Heyworth | McLean |
| 309 | Hillsdale | Rock Island |
| 309 | Hopedale | Tazewell |
| 309 | Hudson | McLean |
| 309 | Illinois City | Rock Island |
| 309 | Industry | McDonough |
| 309 | Ipava | Fulton |
| 309 | Joy | Mercer |
| 309 | Keithsburg | Mercer |
| 309 | Kewanee | Henry |
| 309 | Kilbourne | Mason |
| 309 | Kingston Mines | Peoria |
| 309 | Kirkwood | Warren |
| 309 | Knoxville | Knox |
| 309 | La Fayette | Stark |
| 309 | La Rose | Marshall |
| 309 | Lacon | Marshall |
| 309 | Laura | Peoria |
| 309 | Le Roy | McLean |
| 309 | Lewistown | Fulton |
| 309 | Lexington | McLean |
| 309 | Little York | Warren |
| 309 | Littleton | Schuyler |
| 309 | Liverpool | Fulton |
| 309 | London Mills | Fulton |
| 309 | Lowpoint | Woodford |
| 309 | Lynn Center | Henry |
| 309 | Mackinaw | Tazewell |
| 309 | Macomb | McDonough |
| 309 | Manito | Mason |
| 309 | Mapleton | Peoria |
| 309 | Maquon | Knox |
| 309 | Marietta | Fulton |
| 309 | Matherville | Mercer |
| 309 | Mc Lean | McLean |
| 309 | Media | Henderson |
| 309 | Merna | McLean |
| 309 | Metamora | Woodford |
| 309 | Milan | Rock Island |
| 309 | Mineral | Bureau |
| 309 | Minier | Tazewell |
| 309 | Minonk | Woodford |
| 309 | Moline | Rock Island |
| 309 | Monmouth | Warren |
| 309 | Morton | Tazewell |
| 309 | Mossville | Peoria |
| 309 | Neponset | Bureau |
| 309 | New Boston | Mercer |
| 309 | New Windsor | Mercer |
| 309 | Normal | McLean |
| 309 | Norris | Fulton |
| 309 | North Henderson | Mercer |
| 309 | Oneida | Knox |
| 309 | Ophiem | Henry |
| 309 | Oquawka | Henderson |
| 309 | Orion | Henry |
| 309 | Osco | Henry |
| 309 | Pekin | Tazewell |
| 309 | Peoria | Peoria |
| 309 | Peoria Heights | Peoria |
| 309 | Plymouth | Hancock |
| 309 | Port Byron | Rock Island |
| 309 | Prairie City | McDonough |
| 309 | Preemption | Mercer |
| 309 | Princeville | Peoria |
| 309 | Rapids City | Rock Island |
| 309 | Raritan | Henderson |
| 309 | Reynolds | Rock Island |
| 309 | Rio | Knox |
| 309 | Roanoke | Woodford |
| 309 | Rock Island | Rock Island |
| 309 | Rome | Peoria |
| 309 | Roseville | Warren |
| 309 | San Jose | Mason |
| 309 | Saybrook | McLean |
| 309 | Sciota | McDonough |
| 309 | Seaton | Mercer |
| 309 | Secor | Woodford |
| 309 | Sherrard | Mercer |
| 309 | Shirley | McLean |
| 309 | Silvis | Rock Island |
| 309 | Smithfield | Fulton |
| 309 | Smithshire | Warren |
| 309 | South Pekin | Tazewell |
| 309 | Sparland | Marshall |
| 309 | Speer | Stark |
| 309 | St Augustine | Knox |
| 309 | St David | Fulton |
| 309 | Stanford | McLean |
| 309 | Stronghurst | Henderson |
| 309 | Table Grove | Fulton |
| 309 | Taylor Ridge | Rock Island |
| 309 | Tennessee | McDonough |
| 309 | Topeka | Mason |
| 309 | Toulon | Stark |
| 309 | Towanda | McLean |
| 309 | Tremont | Tazewell |
| 309 | Trivoli | Peoria |
| 309 | Varna | Marshall |
| 309 | Vermont | Fulton |
| 309 | Victoria | Knox |
| 309 | Viola | Mercer |
| 309 | Washburn | Marshall |
| 309 | Washington | Tazewell |
| 309 | Wataga | Knox |
| 309 | Williamsfield | Knox |
| 309 | Woodhull | Henry |
| 309 | Wyoming | Stark |
| 309 | Yates City | Knox |