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
309IllinoisViolaCentral
217IllinoisEffinghamCentral
815IllinoisNorthbrookCentral
224IllinoisDes PlainesCentral
309IllinoisGoodfieldCentral
618IllinoisHardinCentral
217IllinoisCollisonCentral
618IllinoisKeyesportCentral
217IllinoisBascoCentral
217IllinoisMt AuburnCentral
708IllinoisLa Grange ParkCentral
217IllinoisAuburnCentral
217IllinoisGiffordCentral
630IllinoisMaywoodCentral
618IllinoisNew AthensCentral
630IllinoisAuroraCentral
618IllinoisSimpsonCentral
708IllinoisSchaumburgCentral
618IllinoisGranite CityCentral
815IllinoisComptonCentral
217IllinoisDieterichCentral
309IllinoisAlbanyCentral
312IllinoisRoselleCentral
815IllinoisPontiacCentral
847IllinoisRound LakeCentral