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
309IllinoisLe RoyCentral
815IllinoisLanarkCentral
309IllinoisIpavaCentral
618IllinoisSaint LouisCentral
618IllinoisVenedyCentral
224IllinoisLake ForestCentral
224IllinoisCentral
779IllinoisMantenoCentral
618IllinoisViennaCentral
217IllinoisGiffordCentral
217IllinoisChestnutCentral
815IllinoisLoves ParkCentral
815IllinoisLong PointCentral
309IllinoisLa FayetteCentral
224IllinoisWinnetkaCentral
217IllinoisToledoCentral
847IllinoisChicagoCentral
779IllinoisWilmingtonCentral
815IllinoisMonroe CenterCentral
309IllinoisErieCentral
708IllinoisBeecherCentral
618IllinoisEvansvilleCentral
217IllinoisSullivanCentral
847IllinoisHinsdaleCentral
618IllinoisSpartaCentral