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
217IllinoisWeldonCentral
815IllinoisDavisCentral
815IllinoisCornellCentral
815IllinoisTiskilwaCentral
618IllinoisIngrahamCentral
331IllinoisGenevaCentral
815IllinoisRochelleCentral
618IllinoisElizabethtownCentral
815IllinoisWellingtonCentral
618IllinoisVilla RidgeCentral
224IllinoisHuntleyCentral
847IllinoisNorthbrookCentral
217IllinoisNew DouglasCentral
309IllinoisGreen ValleyCentral
309IllinoisFarmingtonCentral
815IllinoisOttawaCentral
847IllinoisEvanstonCentral
217IllinoisDieterichCentral
618IllinoisSt FrancisvilleCentral
618IllinoisGermantownCentral
312IllinoisLa Grange ParkCentral
815IllinoisPlainfieldCentral
847IllinoisSummit ArgoCentral
618IllinoisSt ElmoCentral
815IllinoisStocktonCentral