Illinois Area Codes

Here is the current list of area codes in the state of Illinois. There are 1025 area codes in Illinois that are currently being used. Find out all Illinois area codes below by searching each of the cities below. We have the most up-to-date list of area codes in Illinois.

Area Code State City Timezone
217IllinoisLomaxCentral
309IllinoisAlphaCentral
815IllinoisKirklandCentral
815IllinoisWenonaCentral
618IllinoisMc LeansboroCentral
618IllinoisNew BadenCentral
217IllinoisStoningtonCentral
309IllinoisMolineCentral
815IllinoisOnargaCentral
309IllinoisTable GroveCentral
217IllinoisChicagoCentral
618IllinoisVandaliaCentral
217IllinoisThawvilleCentral
217IllinoisLudlowCentral
847IllinoisLake VillaCentral
224IllinoisCentral
224IllinoisWheelingCentral
224IllinoisChicagoCentral
224IllinoisDes PlainesCentral
331IllinoisAuroraCentral
217IllinoisSidellCentral
224IllinoisWaukeganCentral
815IllinoisMarengoCentral
815IllinoisFultonCentral
309IllinoisSherrardCentral