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
618IllinoisHerodCentral
224IllinoisSchaumburgCentral
618IllinoisEwingCentral
217IllinoisRochesterCentral
217IllinoisDalton CityCentral
618IllinoisFultsCentral
815IllinoisMilledgevilleCentral
630IllinoisGenevaCentral
309IllinoisMinierCentral
309IllinoisStronghurstCentral
779IllinoisMarengoCentral
309IllinoisEllisvilleCentral
309IllinoisTable GroveCentral
309IllinoisHavanaCentral
815IllinoisChadwickCentral
815IllinoisSheridanCentral
217IllinoisPenfieldCentral
815IllinoisStreatorCentral
217IllinoisTeutopolisCentral
217IllinoisCollisonCentral
779IllinoisBeloitCentral
217IllinoisMaconCentral
815IllinoisPlainfieldCentral
217IllinoisEmdenCentral
217IllinoisChicagoCentral