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
779IllinoisBelvidereCentral
217IllinoisLodaCentral
224IllinoisEvanstonCentral
815IllinoisMaple ParkCentral
618IllinoisLenzburgCentral
309IllinoisSeatonCentral
217IllinoisIndianolaCentral
779IllinoisFrankfortCentral
618IllinoisTrentonCentral
217IllinoisGreenupCentral
217IllinoisDonnellsonCentral
618IllinoisLebanonCentral
217IllinoisHammondCentral
618IllinoisWillow HillCentral
630IllinoisItascaCentral
217IllinoisBeasonCentral
779IllinoisSheffieldCentral
217IllinoisMelvinCentral
815IllinoisCherry ValleyCentral
708IllinoisLa Grange ParkCentral
224IllinoisHalf DayCentral
630IllinoisWest ChicagoCentral
618IllinoisOrchardvilleCentral
217IllinoisLitchfieldCentral
779IllinoisNewarkCentral