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
618IllinoisAnnaCentral
815IllinoisHarvardCentral
815IllinoisRansomCentral
217IllinoisPhiloCentral
618IllinoisCollinsvilleCentral
217IllinoisLathamCentral
217IllinoisParisCentral
618IllinoisVenedyCentral
815IllinoisOrangevilleCentral
815IllinoisLostantCentral
815IllinoisLenaCentral
618IllinoisBroughtonCentral
331IllinoisWarrenvilleCentral
630IllinoisWheatonCentral
217IllinoisCarlinvilleCentral
309IllinoisIpavaCentral
618IllinoisMillstadtCentral
618IllinoisAshleyCentral
618IllinoisFlat RockCentral
309IllinoisBiggsvilleCentral
217IllinoisLibertyCentral
847IllinoisSchiller ParkCentral
217IllinoisRaymondCentral
309IllinoisEastonCentral
217IllinoisLomaxCentral