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
309IllinoisNeponsetCentral
309IllinoisMc LeanCentral
217IllinoisEffinghamCentral
815IllinoisRock FallsCentral
309IllinoisStronghurstCentral
309IllinoisIllinois CityCentral
618IllinoisSaint JacobCentral
217IllinoisGirardCentral
815IllinoisStelleCentral
815IllinoisTampicoCentral
815IllinoisWenonaCentral
618IllinoisEvansvilleCentral
309IllinoisKilbourneCentral
815IllinoisGilmanCentral
217IllinoisSaint JosephCentral
618IllinoisBlufordCentral
847IllinoisEvanstonCentral
708IllinoisChicagoCentral
618IllinoisHerodCentral
815IllinoisCapronCentral
815IllinoisJolietCentral
815IllinoisBelvidereCentral
618IllinoisMedoraCentral
815IllinoisMartintonCentral
815IllinoisGrand RidgeCentral