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
309IllinoisBudaCentral
708IllinoisLa GrangeCentral
708IllinoisOak LawnCentral
217IllinoisSeymourCentral
618IllinoisBartelsoCentral
618IllinoisSt FrancisvilleCentral
847IllinoisPark RidgeCentral
815IllinoisSaint AnneCentral
224IllinoisWaukeganCentral
618IllinoisCrossvilleCentral
217IllinoisCaseyCentral
618IllinoisFreeburgCentral
815IllinoisDakotaCentral
618IllinoisOblongCentral
217IllinoisIvesdaleCentral
815IllinoisSheridanCentral
217IllinoisCarthageCentral
618IllinoisRose HillCentral
309IllinoisPekinCentral
815IllinoisLockportCentral
312IllinoisLa Grange ParkCentral
618IllinoisSpringertonCentral
309IllinoisOquawkaCentral
773IllinoisChicagoCentral
618IllinoisOakdaleCentral