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
618IllinoisMacedoniaCentral
815IllinoisLa SalleCentral
815IllinoisUnionCentral
331IllinoisOswegoCentral
217IllinoisGoldenCentral
309IllinoisRosevilleCentral
815IllinoisSheridanCentral
224IllinoisChicagoCentral
217IllinoisLoraineCentral
618IllinoisGlen CarbonCentral
847IllinoisEvanstonCentral
309IllinoisCoal ValleyCentral
708IllinoisRiverdaleCentral
618IllinoisChristopherCentral
309IllinoisLa FayetteCentral
309IllinoisCubaCentral
217IllinoisChapinCentral
309IllinoisEllsworthCentral
217IllinoisGiffordCentral
217IllinoisAuburnCentral
815IllinoisOdellCentral
847IllinoisDundeeCentral
309IllinoisAledoCentral
217IllinoisWatsonCentral
217IllinoisAlvinCentral