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
815IllinoisSomonaukCentral
618IllinoisCartervilleCentral
618IllinoisGeffCentral
847IllinoisSkokieCentral
815IllinoisRockfordCentral
815IllinoisOttawaCentral
224IllinoisGlenviewCentral
618IllinoisBunker HillCentral
217IllinoisDalton CityCentral
618IllinoisGreenvilleCentral
618IllinoisCobdenCentral
217IllinoisTaylorvilleCentral
217IllinoisHomerCentral
217IllinoisMonticelloCentral
309IllinoisAdairCentral
708IllinoisNorthbrookCentral
618IllinoisIngrahamCentral
217IllinoisCollisonCentral
217IllinoisArgentaCentral
217IllinoisSpringfieldCentral
630IllinoisChicagoCentral
224IllinoisRound LakeCentral
618IllinoisPrairietownCentral
217IllinoisPittsfieldCentral
618IllinoisMacedoniaCentral