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
217IllinoisMaconCentral
217IllinoisDallas CityCentral
224IllinoisPalatineCentral
618IllinoisHerrickCentral
309IllinoisRioCentral
309IllinoisNew WindsorCentral
309IllinoisE MolineCentral
618IllinoisBunker HillCentral
217IllinoisChampaignCentral
630IllinoisGenevaCentral
217IllinoisDivernonCentral
224IllinoisHampshireCentral
618IllinoisJohnston CityCentral
309IllinoisSan JoseCentral
309IllinoisAlphaCentral
618IllinoisPinckneyvilleCentral
630IllinoisWarrenvilleCentral
331IllinoisDowners GroveCentral
708IllinoisFrankfortCentral
618IllinoisCobdenCentral
309IllinoisPeoriaCentral
618IllinoisBrookportCentral
618IllinoisBrownsCentral
815IllinoisDanforthCentral
618IllinoisWest FrankfortCentral