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
224IllinoisLake VillaCentral
217IllinoisSigelCentral
779IllinoisGalenaCentral
309IllinoisElmwoodCentral
847IllinoisNorthbrookCentral
618IllinoisRidgwayCentral
217IllinoisDe LandCentral
618IllinoisShawneetownCentral
630IllinoisBolingbrookCentral
618IllinoisClay CityCentral
331IllinoisSaint CharlesCentral
708IllinoisBuffalo GroveCentral
309IllinoisEastonCentral
217IllinoisGriggsvilleCentral
815IllinoisCrescent CityCentral
815IllinoisSheffieldCentral
309IllinoisHamptonCentral
309IllinoisLowpointCentral
630IllinoisWheatonCentral
618IllinoisBelle RiveCentral
815IllinoisWonder LakeCentral
815IllinoisOttawaCentral
618IllinoisDundasCentral
224IllinoisAntiochCentral
217IllinoisChandlervilleCentral