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
815IllinoisAshkumCentral
618IllinoisSt ElmoCentral
618IllinoisCreal SpringsCentral
815IllinoisMomenceCentral
815IllinoisStelleCentral
309IllinoisBloomingtonCentral
618IllinoisWaterlooCentral
815IllinoisMantenoCentral
618IllinoisCarlyleCentral
815IllinoisFrankfortCentral
217IllinoisOgdenCentral
309IllinoisRioCentral
309IllinoisColfaxCentral
224IllinoisBarringtonCentral
815IllinoisDwightCentral
309IllinoisEl PasoCentral
217IllinoisRantoulCentral
618IllinoisMarineCentral
217IllinoisIndianolaCentral
217IllinoisDe LandCentral
618IllinoisDowCentral
331IllinoisLombardCentral
217IllinoisWeldonCentral
815IllinoisWalnutCentral
815IllinoisPaw PawCentral