309 Area Code Information
Area code 309 covers 190 cities inside the state of Illinois. There are currently 11 area codes dividing up Illinois. Illinois area codes are used by over 12901563 residents across 102 different counties. Illinois became a state on December 3 1818.
The 309 is located in the Central Time Zone. There are 52 different phone service providers which use 556 different telephone exchange combinations
Counties using 309Adams, Arapahoe, Bureau, Carroll, Champaign, Dewitt, Fulton, Grundy, Hamilton, Hancock, Henderson, Henry, Knox, Livingston, Macon, Marshall, Mason, McDonough, McLean, Mercer, New Castle, New York, Peoria, Riverside, Rock Island, San Francisco, Santa Clara, Schuyler, Scott, Stark, Tazewell, Vermilion, Warren, Whiteside, Woodford,
Cities using 309Abingdon
Adair
Alba
Albany
Aledo
Alexis
Allentown
Allin
Alpha
Alta
Altona
Annawan
Appleton
Arlington Heights
Arrowsmith
Astoria
Avon
Babcock
Banner
Bardolph
Barnes
Barnett Township
Bartonville
Bath
Bayview Gardens
Bellevue
Bellflower
Benson
Bentley
Bernadotte
Bettendorf
Beverly Manor
Biggs
Biggsville
Birmingham
Bishop
Bishop Hill
Blandinsville
Bloomington
Blyton
Boden
Boynton
Bradford
Brimfield
Buda
Burton
Bushnell
Byron Hills
Cambridge
Cameron
Carbon Cliff
Carbon Hill
Carlock
Carman
Cayuga
Cazenovia
Champaign
Cherry Hills
Chillicothe
Cleveland
Coal Valley
Colchester
Colfax
Congerville
Cooksville
Cordova
Cramers
Cropsey
Cuba
Danvers
Davenport
Dawson Township
Decatur
Decorra
Deer Creek
Delong
Doddsville
Downs
Dunlap
East Clinton
East Palo Alto
Eckard
Edelstein
Edwards
El Paso
Eleanor
Eliza
Ellison
Ellisville
Elmira
Erie
Eureka
Fairview
Farmer City
Farmington
Funks Grove
Galesburg
Galva
Geneseo
Germantown Hills
Glasford
Good Hope
Goodfield
Goofy Ridge
Grand Oaks
Green Valley
Gridley
Hahnaman
Hampton
Hanna City
Henry
Hermon
Heyworth
Hillsdale
Hilltop
Hopedale
Hopewell
Hudson
Illinois City
Industry
Joy
Keithsburg
Kewanee
Kilbourne
Kirkwood
Knoxville
La Fayette
Lacon
Lake Elsinore
Larchland
Le Roy
Lewistown
Lilly
Little Mackinaw
London Mills
Lone Tree
Lynn
Macomb
Manhattan
Manito
Marietta
Marquette Heights
Marshallton
Marston
Matherville
Mayfair
Merna
Milan
Mineral
Minonk
Modena
Moline
Monica
Mossville
Nekoma
Neponset
New Windsor
North Henderson
Oneida
Oquawka
Orion
Osco
Pattonsburg
Peoria
Pleasant View
Potomac
Prairie City
Raritan
Rio
Roanoke
Rock Island
Roseville
San Francisco
San Jose
Savanna
Saybrook
Seaton
Secor
Silvis
Table Grove
Taylor Ridge
Towanda
Trivoli
Varna
Vermont
Viola
Washburn
Wataga
Williamsfield
Yates City
View More Cities in 309
Other Illinois Area Codes217 224 309 312 618 630 708 773 779 815 847 Top 10 Providers in 309Verizon North, Ameritech Illinois, Sprint Communications, Bitwise Communications, Citizens Telecom, Cellco Partnership, Gallatin River, Mcleodusa Telecommunication, United States, Unknown ,
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