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
618IllinoisOlmstedCentral
618IllinoisEldoradoCentral
309IllinoisMonmouthCentral
630IllinoisBensenvilleCentral
618IllinoisGolcondaCentral
217IllinoisBroctonCentral
217IllinoisSidellCentral
618IllinoisHerrinCentral
847IllinoisSchaumburgCentral
618IllinoisGeffCentral
815IllinoisNewarkCentral
309IllinoisSaybrookCentral
773IllinoisRiver GroveCentral
331IllinoisLombardCentral
217IllinoisStewardsonCentral
618IllinoisRobinsonCentral
708IllinoisSchaumburgCentral
815IllinoisKinsmanCentral
618IllinoisMedoraCentral
309IllinoisMineralCentral
224IllinoisLibertyvilleCentral
224IllinoisDeerfieldCentral
217IllinoisCiscoCentral
217IllinoisRochesterCentral
618IllinoisBroughtonCentral