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
815IllinoisMantenoCentral
309IllinoisSwan CreekCentral
630IllinoisWheatonCentral
618IllinoisChesterfieldCentral
217IllinoisShermanCentral
217IllinoisChambersburgCentral
224IllinoisCentral
847IllinoisChicagoCentral
618IllinoisBeecher CityCentral
217IllinoisAthensCentral
618IllinoisCartervilleCentral
309IllinoisLondon MillsCentral
217IllinoisNeogaCentral
618IllinoisBrightonCentral
309IllinoisGlasfordCentral
779IllinoisDekalbCentral
309IllinoisSmithfieldCentral
217IllinoisGreenviewCentral
815IllinoisTampicoCentral
618IllinoisJacobCentral
847IllinoisElk Grove VillageCentral
217IllinoisSeymourCentral
217IllinoisThawvilleCentral
618IllinoisWoodburnCentral
309IllinoisCarmanCentral