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
815IllinoisApple RiverCentral
618IllinoisAllendaleCentral
618IllinoisHardinCentral
309IllinoisStronghurstCentral
630IllinoisSugar GroveCentral
217IllinoisBenldCentral
618IllinoisHettickCentral
217IllinoisRochesterCentral
309IllinoisLittletonCentral
708IllinoisOak BrookCentral
309IllinoisEurekaCentral
309IllinoisHopedaleCentral
815IllinoisPontiacCentral
618IllinoisGlen CarbonCentral
309IllinoisGeneseoCentral
815IllinoisSaint AnneCentral
630IllinoisSt CharlesCentral
618IllinoisRamseyCentral
309IllinoisMineralCentral
815IllinoisDanforthCentral
309IllinoisViolaCentral
217IllinoisOaklandCentral
618IllinoisMc LeansboroCentral
618IllinoisCalhounCentral
217IllinoisLoamiCentral