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
815IllinoisUnionCentral
217IllinoisAlexanderCentral
309IllinoisBradfordCentral
309IllinoisManitoCentral
312IllinoisRoselleCentral
309IllinoisBrimfieldCentral
309IllinoisMacombCentral
309IllinoisPort ByronCentral
618IllinoisChesterCentral
618IllinoisBroughtonCentral
309IllinoisCubaCentral
815IllinoisFlanaganCentral
847IllinoisArlington HeightsCentral
618IllinoisTammsCentral
217IllinoisLovingtonCentral
217IllinoisChapinCentral
618IllinoisHettickCentral
217IllinoisBeardstownCentral
618IllinoisRobinsonCentral
217IllinoisRantoulCentral
618IllinoisAltonCentral
309IllinoisAltonaCentral
309IllinoisCooksvilleCentral
618IllinoisOlive BranchCentral
217IllinoisGibson CityCentral