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
815IllinoisChatsworthCentral
217IllinoisNianticCentral
847IllinoisItascaCentral
618IllinoisSaint JacobCentral
618IllinoisCarmiCentral
309IllinoisGeneseoCentral
618IllinoisGreenvilleCentral
309IllinoisLynn CenterCentral
224IllinoisBartlettCentral
815IllinoisRutlandCentral
224IllinoisWinnetkaCentral
815IllinoisLockportCentral
815IllinoisPoplar GroveCentral
708IllinoisMoneeCentral
815IllinoisChadwickCentral
815IllinoisTonicaCentral
618IllinoisDu BoisCentral
815IllinoisGalenaCentral
217IllinoisAthensCentral
815IllinoisManhattanCentral
815IllinoisWatsekaCentral
618IllinoisStauntonCentral
224IllinoisPark RidgeCentral
217IllinoisMt AuburnCentral
309IllinoisRioCentral