Illinois Area Codes
Illinois has 17 area codes. Browse all area codes, cities, and phone prefixes.
17 area codes
1363 cities
Illinois Area Codes
217Overlay
Springfield
Central
224
Elgin
Central
309
Peoria
Central
312
Chicago
Central
331
Aurora
Central
447
Springfield
Central
464
Cicero
Central
618
Belleville
Central
630
Aurora
Central
708
Cicero
Central
730
Belleville
Central
773
Chicago
Central
779
Rockford
Central
815
Rockford
Central
847
Elgin
Central
861
Peoria
Central
872
Chicago
Central
Cities in Illinois
ChicagoAuroraRockfordJolietNapervilleSpringfieldPeoriaElginWaukeganCiceroChampaignBloomingtonDecaturArlington HeightsEvanstonSchaumburgBolingbrookPalatineSkokieDes PlainesOrland ParkTinley ParkOak LawnBerwynMount ProspectWheatonNormalHoffman EstatesOak ParkDowners GroveGlenviewBellevilleElmhurstDeKalbMolineLombardBuffalo GroveUrbanaBartlettCrystal LakeQuincyStreamwoodCarol StreamRomeovillePlainfieldRock IslandHanover ParkCarpentersvilleWheelingPark RidgeCalumet CityAddisonGlendale HeightsPekinNorthbrookElk Grove VillageDanvilleSt. CharlesWoodridgeNorth ChicagoGalesburgGurneeMundeleinOswegoChicago HeightsAlgonquinGranite CityNilesHighland ParkLake in the HillsBurbankLansingO'FallonRound Lake BeachOak ForestAltonKankakeeGlen EllynWilmetteWest ChicagoEast St. LouisMcHenryBataviaCarbondaleFreeportBelvidereCollinsvilleMelrose ParkHarveyVernon HillsElmwood ParkLockportWoodstockWestmontZionNew LenoxEdwardsvilleHuntleyHomer GlenRolling Meadows
Showing top 100 of 1363 cities.