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
815IllinoisGenoaCentral
618IllinoisRosiclareCentral
815IllinoisHebronCentral
309IllinoisMinonkCentral
618IllinoisSt ElmoCentral
217IllinoisArgentaCentral
217IllinoisSorentoCentral
618IllinoisFlat RockCentral
217IllinoisMelvinCentral
618IllinoisSimsCentral
217IllinoisOgdenCentral
309IllinoisLewistownCentral
217IllinoisHersmanCentral
217IllinoisOakwoodCentral
618IllinoisVandaliaCentral
217IllinoisMartinsvilleCentral
217IllinoisArmstrongCentral
217IllinoisHumboldtCentral
309IllinoisVictoriaCentral
618IllinoisCalhounCentral
618IllinoisPocahontasCentral
217IllinoisKenneyCentral
217IllinoisNokomisCentral
815IllinoisOdellCentral
847IllinoisSummit ArgoCentral