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
618IllinoisEast Saint LouisCentral
618IllinoisMoundsCentral
815IllinoisNew LenoxCentral
618IllinoisShawneetownCentral
217IllinoisHumboldtCentral
815IllinoisLa Grange ParkCentral
630IllinoisSaint CharlesCentral
618IllinoisVilla RidgeCentral
847IllinoisHalf DayCentral
618IllinoisFieldonCentral
618IllinoisWest SalemCentral
815IllinoisKemptonCentral
217IllinoisOaklandCentral
331IllinoisWarrenvilleCentral
217IllinoisCoatsburgCentral
815IllinoisWatermanCentral
815IllinoisLostantCentral
708IllinoisRiversideCentral
217IllinoisGirardCentral
847IllinoisBartlettCentral
847IllinoisArlington HeightsCentral
815IllinoisSpring GroveCentral
618IllinoisJohnston CityCentral
847IllinoisBarringtonCentral
217IllinoisCowdenCentral