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
309IllinoisIndustryCentral
618IllinoisCave In RockCentral
309IllinoisSan JoseCentral
217IllinoisLoraineCentral
847IllinoisLake ForestCentral
217IllinoisAlvinCentral
630IllinoisArlington HeightsCentral
815IllinoisChatsworthCentral
815IllinoisGrant ParkCentral
630IllinoisSaint CharlesCentral
331IllinoisAuroraCentral
331IllinoisGenevaCentral
217IllinoisOakwoodCentral
847IllinoisMorton GroveCentral
217IllinoisEmdenCentral
312IllinoisLa Grange ParkCentral
618IllinoisBridgeportCentral
618IllinoisGrayvilleCentral
309IllinoisMineralCentral
618IllinoisRose HillCentral
309IllinoisOrionCentral
618IllinoisBrookportCentral
847IllinoisHalf DayCentral
815IllinoisBeloitCentral
815IllinoisMomenceCentral