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
217IllinoisOakfordCentral
815IllinoisFairburyCentral
618IllinoisOlneyCentral
309IllinoisTolucaCentral
217IllinoisArmstrongCentral
217IllinoisLoamiCentral
618IllinoisMarineCentral
815IllinoisElizabethCentral
618IllinoisDongolaCentral
773IllinoisArlington HeightsCentral
309IllinoisWatagaCentral
217IllinoisBementCentral
224IllinoisBarringtonCentral
618IllinoisKeyesportCentral
309IllinoisAstoriaCentral
309IllinoisEast MolineCentral
618IllinoisDupoCentral
630IllinoisGlen EllynCentral
618IllinoisBellevilleCentral
217IllinoisCantrallCentral
708IllinoisOak ParkCentral
217IllinoisHullCentral
309IllinoisAvonCentral
217IllinoisGeorgetownCentral
618IllinoisCartervilleCentral