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
618IllinoisHighlandCentral
217IllinoisPenfieldCentral
815IllinoisCornellCentral
217IllinoisTolonoCentral
815IllinoisStreatorCentral
309IllinoisOscoCentral
630IllinoisBensenvilleCentral
217IllinoisGriggsvilleCentral
224IllinoisWaucondaCentral
217IllinoisArmstrongCentral
217IllinoisChrismanCentral
618IllinoisChesterCentral
618IllinoisEdgewoodCentral
815IllinoisMaldenCentral
815IllinoisSavannaCentral
217IllinoisPhiloCentral
618IllinoisAvistonCentral
217IllinoisWilliamsvilleCentral
815IllinoisSheffieldCentral
815IllinoisFultonCentral
618IllinoisFarinaCentral
618IllinoisNewtonCentral
217IllinoisGeorgetownCentral
618IllinoisMoundsCentral
618IllinoisEllis GroveCentral