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
309IllinoisArrowsmithCentral
309IllinoisBathCentral
309IllinoisMaquonCentral
309IllinoisPeoriaCentral
618IllinoisDupoCentral
618IllinoisRosiclareCentral
224IllinoisArlington HtsCentral
847IllinoisBensenvilleCentral
815IllinoisHarvardCentral
309IllinoisViolaCentral
847IllinoisDeerfieldCentral
618IllinoisWillow HillCentral
309IllinoisSmithfieldCentral
217IllinoisPaysonCentral
217IllinoisGiffordCentral
217IllinoisRankinCentral
815IllinoisComptonCentral
217IllinoisMurrayvilleCentral
217IllinoisStewardsonCentral
217IllinoisHoopestonCentral
815IllinoisMazonCentral
217IllinoisRaymondCentral
217IllinoisDonnellsonCentral
815IllinoisBraidwoodCentral
618IllinoisJohnston CityCentral