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
224IllinoisAlgonquinCentral
618IllinoisMt CarmellCentral
217IllinoisSeymourCentral
618IllinoisSaint LouisCentral
217IllinoisMelvinCentral
217IllinoisGreenupCentral
618IllinoisIukaCentral
618IllinoisJohnston CityCentral
217IllinoisConcordCentral
309IllinoisSparlandCentral
217IllinoisSutterCentral
708IllinoisNorthbrookCentral
618IllinoisKellCentral
815IllinoisTiskilwaCentral
815IllinoisLelandCentral
618IllinoisSpartaCentral
217IllinoisPaysonCentral
217IllinoisBluffsCentral
217IllinoisBlue MoundCentral
309IllinoisStronghurstCentral
773IllinoisWood DaleCentral
309IllinoisLe RoyCentral
618IllinoisCarmiCentral
618IllinoisChesterfieldCentral
630IllinoisWheelingCentral