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
618IllinoisValmeyerCentral
618IllinoisNew HavenCentral
217IllinoisCatlinCentral
815IllinoisLelandCentral
779IllinoisGalenaCentral
618IllinoisWaterlooCentral
217IllinoisCarthageCentral
618IllinoisAlhambraCentral
708IllinoisHickory HillsCentral
217IllinoisClintonCentral
618IllinoisGolcondaCentral
224IllinoisBartlettCentral
815IllinoisForrestCentral
331IllinoisAuroraCentral
217IllinoisHamiltonCentral
847IllinoisSummit ArgoCentral
815IllinoisApple RiverCentral
618IllinoisE St LouisCentral
618IllinoisStonefortCentral
815IllinoisAmboyCentral
618IllinoisOdinCentral
217IllinoisSorentoCentral
331IllinoisLombardCentral
815IllinoisGrand RidgeCentral
217IllinoisBenldCentral