309 Area Code

The 309 area code is found in the state of Illinois, and spans 25 different Counties. Listed below are the 25 Counties that reside inside of the 309 area code. Included under the Counties are the cities within the given County.
Bureau County Illinois
Buda, Mineral, Neponset, Sheffield, Tiskilwa, Wyanet
Cass County Illinois
Chandlerville
Dewitt County Illinois
Dewitt, Farmer City, Wapella, Waynesville
Fulton County Illinois
Astoria, Avon, Bryant, Canton, Cuba, Dunfermline, Ellisville, Fairview, Farmington, Fiatt, Ipava, Lewistown, Liverpool, London Mills, Marietta, Norris, Saint David, Smithfield, Table Grove, Vermont
Hancock County Illinois
Plymouth
Henderson County Illinois
Biggsville, Carman, Gladstone, Media, Oquawka, Raritan, Stronghurst
Henry County Illinois
Alpha, Andover, Annawan, Atkinson, Bishop Hill, Cambridge, Colona, Galva, Geneseo, Kewanee, Lynn Center, Ophiem, Orion, Osco, Woodhull
Knox County Illinois
Abingdon, Altona, Dahinda, East Galesburg, Galesburg, Gilson, Henderson, Knoxville, Maquon, Oneida, Rio, Saint Augustine, Victoria, Wataga, Williamsfield, Yates City
La Salle County Illinois
Streator
Livingston County Illinois
Fairbury, Strawn
Logan County Illinois
Atlanta
Mcdonough County Illinois
Adair, Bardolph, Blandinsville, Bushnell, Colchester, Good Hope, Industry, Macomb, Prairie City, Sciota, Tennessee
Mclean County Illinois
Anchor, Arrowsmith, Bellflower, Bloomington, Carlock, Chenoa, Colfax, Cooksville, Cropsey, Danvers, Downs, Ellsworth, Gridley, Heyworth, Hudson, Le Roy, Lexington, Mc Lean, Merna, Normal, Saybrook, Shirley, Stanford, Towanda
Marshall County Illinois
Camp Grove, Henry, La Rose, Lacon, Sparland, Toluca, Varna, Washburn
Mason County Illinois
Bath, Easton, Forest City, Havana, Kilbourne, Manito, Mason City, San Jose, Topeka
Mercer County Illinois
Aledo, Alexis, Joy, Keithsburg, Matherville, New Boston, New Windsor, North Henderson, Preemption, Seaton, Sherrard, Viola
Peoria County Illinois
Brimfield, Chillicothe, Dunlap, Edelstein, Edwards, Elmwood, Glasford, Hanna City, Kingston Mines, Laura, Mapleton, Mossville, Peoria, Peoria Heights, Princeville, Rome, Trivoli
Putnam County Illinois
Magnolia, Putnam
Rock Island County Illinois
Andalusia, Barstow, Buffalo Prairie, Carbon Cliff, Coal Valley, Cordova, East Moline, Hampton, Hillsdale, Illinois City, Milan, Moline, Port Byron, Rapids City, Reynolds, Rock Island, Silvis, Taylor Ridge
Schuyler County Illinois
Browning, Littleton, Rushville
Stark County Illinois
Bradford, Castleton, La Fayette, Speer, Toulon, Wyoming
Tazewell County Illinois
Armington, Creve Coeur, Deer Creek, Delavan, East Peoria, Green Valley, Groveland, Hopedale, Mackinaw, Minier, Morton, Pekin, South Pekin, Tremont, Washington
Warren County Illinois
Berwick, Cameron, Gerlaw, Kirkwood, Little York, Monmouth, Roseville, Smithshire
Whiteside County Illinois
Albany, Erie, Fenton, Fulton, Prophetstown
Woodford County Illinois
Benson, Congerville, El Paso, Eureka, Goodfield, Lowpoint, Metamora, Minonk, Roanoke, Secor