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
217IllinoisDonnellsonCentral
847IllinoisWheelingCentral
309IllinoisCropseyCentral
815IllinoisEmingtonCentral
618IllinoisLenzburgCentral
309IllinoisLittle YorkCentral
331IllinoisSaint CharlesCentral
217IllinoisCollisonCentral
309IllinoisGridleyCentral
618IllinoisCentraliaCentral
217IllinoisGreenupCentral
309IllinoisSmithfieldCentral
815IllinoisRomeovilleCentral
779IllinoisGalenaCentral
815IllinoisNew LenoxCentral
708IllinoisBrookfieldCentral
815IllinoisStelleCentral
224IllinoisWinnetkaCentral
618IllinoisTammsCentral
217IllinoisArgentaCentral
630IllinoisBartlettCentral
618IllinoisAllendaleCentral
618IllinoisWaltonvilleCentral
708IllinoisWillow SpringsCentral
847IllinoisLa Grange ParkCentral