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
309IllinoisGrovelandCentral
217IllinoisDecaturCentral
217IllinoisBethanyCentral
815IllinoisAshkumCentral
309IllinoisStanfordCentral
217IllinoisLincolnCentral
217IllinoisLibertyCentral
217IllinoisBulpittCentral
815IllinoisReddickCentral
618IllinoisBethaltoCentral
217IllinoisPleasant HillCentral
217IllinoisBaylisCentral
779IllinoisRockfordCentral
847IllinoisLibertyvilleCentral
815IllinoisSouth BeloitCentral
217IllinoisBeasonCentral
815IllinoisRansomCentral
618IllinoisRosiclareCentral
815IllinoisPontiacCentral
815IllinoisGraymontCentral
309IllinoisAledoCentral
217IllinoisAthensCentral
217IllinoisPaxtonCentral
618IllinoisMulberry GroveCentral
847IllinoisWilmetteCentral