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
217IllinoisBeardstownCentral
309IllinoisKilbourneCentral
815IllinoisChenoaCentral
779IllinoisJolietCentral
618IllinoisSt FrancisvilleCentral
217IllinoisMattoonCentral
618IllinoisDe SotoCentral
217IllinoisOakfordCentral
217IllinoisTennesseeCentral
815IllinoisWoodstockCentral
217IllinoisMt AuburnCentral
217IllinoisBroctonCentral
618IllinoisEwingCentral
815IllinoisSpring GroveCentral
309IllinoisAtkinsonCentral
309IllinoisRock IslandCentral
618IllinoisWest FrankfortCentral
815IllinoisFreeportCentral
815IllinoisBeavervilleCentral
815IllinoisSycamoreCentral
309IllinoisColonaCentral
224IllinoisHampshireCentral
618IllinoisHoyletonCentral
847IllinoisArlington HtsCentral
217IllinoisAshlandCentral