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
618IllinoisNewtonCentral
815IllinoisFultonCentral
815IllinoisPrincetonCentral
309IllinoisSherrardCentral
224IllinoisBarringtonCentral
217IllinoisWilliamsvilleCentral
618IllinoisOkawvilleCentral
618IllinoisPercyCentral
618IllinoisSt PeterCentral
618IllinoisBaldwinCentral
217IllinoisCoatsburgCentral
217IllinoisMartinsvilleCentral
217IllinoisVersaillesCentral
815IllinoisMt CarrollCentral
309IllinoisLondon MillsCentral
217IllinoisAtwoodCentral
815IllinoisFairburyCentral
618IllinoisOdinCentral
217IllinoisOreanaCentral
618IllinoisMc LeansboroCentral
309IllinoisNew WindsorCentral
630IllinoisGenevaCentral
618IllinoisSpartaCentral
618IllinoisGorevilleCentral
217IllinoisToledoCentral