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
815IllinoisMinookaCentral
847IllinoisLibertyvilleCentral
309IllinoisGeneseoCentral
618IllinoisAshleyCentral
618IllinoisZeiglerCentral
815IllinoisOhioCentral
217IllinoisGlenarmCentral
618IllinoisNew AthensCentral
815IllinoisKemptonCentral
618IllinoisSaint LouisCentral
217IllinoisGreenfieldCentral
217IllinoisDanvilleCentral
217IllinoisWindsorCentral
815IllinoisStrawnCentral
630IllinoisElmhurstCentral
309IllinoisSummumCentral
618IllinoisCarbondaleCentral
217IllinoisNianticCentral
618IllinoisAvistonCentral
217IllinoisParisCentral
309IllinoisFarmingtonCentral
217IllinoisAugustaCentral
309IllinoisIndustryCentral
217IllinoisDonnellsonCentral
217IllinoisBenldCentral