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
815IllinoisWatermanCentral
312IllinoisNorthbrookCentral
217IllinoisGirardCentral
815IllinoisEarlvilleCentral
331IllinoisNapervilleCentral
217IllinoisQuincyCentral
217IllinoisArcolaCentral
217IllinoisWarsawCentral
815IllinoisSheldonCentral
217IllinoisDe LandCentral
309IllinoisSmithfieldCentral
618IllinoisZeiglerCentral
618IllinoisKellCentral
708IllinoisLemontCentral
217IllinoisPleasant HillCentral
309IllinoisGilsonCentral
630IllinoisBolingbrookCentral
847IllinoisWheelingCentral
815IllinoisMaltaCentral
217IllinoisArgentaCentral
815IllinoisHardingCentral
815IllinoisStelleCentral
618IllinoisSt PeterCentral
630IllinoisWarrenvilleCentral
217IllinoisNew BerlinCentral