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
217IllinoisHumboldtCentral
618IllinoisJohnsonvilleCentral
618IllinoisDongolaCentral
815IllinoisMendotaCentral
630IllinoisBolingbrookCentral
815IllinoisWest BrooklynCentral
630IllinoisSummit ArgoCentral
630IllinoisElginCentral
309IllinoisHavanaCentral
217IllinoisDanvilleCentral
618IllinoisKellCentral
618IllinoisEnfieldCentral
815IllinoisMc NabbCentral
309IllinoisMc LeanCentral
618IllinoisDundasCentral
847IllinoisAntiochCentral
815IllinoisSouth BeloitCentral
815IllinoisLa SalleCentral
708IllinoisBlue IslandCentral
773IllinoisSummitCentral
309IllinoisAvonCentral
815IllinoisOttawaCentral
309IllinoisSunnylandCentral
309IllinoisElmwoodCentral
815IllinoisLenaCentral