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
815IllinoisGalenaCentral
815IllinoisPoloCentral
217IllinoisMelvinCentral
815IllinoisSauneminCentral
847IllinoisLake ZurichCentral
309IllinoisBloomingtonCentral
708IllinoisFrankfortCentral
217IllinoisRossvilleCentral
708IllinoisSchaumburgCentral
217IllinoisPotomacCentral
309IllinoisVarnaCentral
618IllinoisBrownsCentral
309IllinoisGreen ValleyCentral
779IllinoisWilmingtonCentral
217IllinoisNew CantonCentral
217IllinoisEmdenCentral
217IllinoisOgdenCentral
815IllinoisSycamoreCentral
309IllinoisIllinois CityCentral
217IllinoisWaynesvilleCentral
847IllinoisSkokieCentral
309IllinoisForest CityCentral
309IllinoisFarmer CityCentral
217IllinoisPalmyraCentral
309IllinoisOscoCentral