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
847IllinoisHuntleyCentral
618IllinoisOkawvilleCentral
217IllinoisMt AuburnCentral
847IllinoisDeerfieldCentral
217IllinoisCaseyCentral
618IllinoisCarmiCentral
779IllinoisGalenaCentral
815IllinoisGerman ValleyCentral
815IllinoisChenoaCentral
618IllinoisNewtonCentral
815IllinoisGalenaCentral
630IllinoisArlington HeightsCentral
309IllinoisFarmer CityCentral
618IllinoisBlufordCentral
815IllinoisMaldenCentral
309IllinoisTrivoliCentral
815IllinoisSpring ValleyCentral
847IllinoisChicagoCentral
309IllinoisSparlandCentral
217IllinoisGreenviewCentral
224IllinoisCentral
309IllinoisLynn CenterCentral
630IllinoisBig RockCentral
309IllinoisColchesterCentral
309IllinoisGilsonCentral