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
309IllinoisLittle YorkCentral
217IllinoisOgdenCentral
224IllinoisChicagoCentral
309IllinoisHopedaleCentral
309IllinoisWilliamsfieldCentral
217IllinoisCoffeenCentral
815IllinoisHebronCentral
618IllinoisPatokaCentral
847IllinoisArlington HtsCentral
815IllinoisCherry ValleyCentral
309IllinoisTremontCentral
309IllinoisSeatonCentral
309IllinoisHenryCentral
815IllinoisGalenaCentral
312IllinoisChicagoCentral
618IllinoisWayne CityCentral
815IllinoisSavannaCentral
217IllinoisSidellCentral
217IllinoisHammondCentral
217IllinoisMartinsvilleCentral
309IllinoisBudaCentral
217IllinoisPenfieldCentral
815IllinoisScales MoundCentral
630IllinoisArlington HeightsCentral
217IllinoisAlexanderCentral