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
630IllinoisLemontCentral
618IllinoisMill ShoalsCentral
815IllinoisGraymontCentral
815IllinoisRocktonCentral
217IllinoisOakfordCentral
309IllinoisAdairCentral
309IllinoisCambridgeCentral
618IllinoisPocahontasCentral
815IllinoisWenonaCentral
815IllinoisFranklin GroveCentral
224IllinoisFox LakeCentral
217IllinoisAtlantaCentral
815IllinoisProphetstownCentral
815IllinoisMc NabbCentral
618IllinoisOrchardvilleCentral
309IllinoisSan JoseCentral
309IllinoisEurekaCentral
309IllinoisEastonCentral
773IllinoisOak BrookCentral
815IllinoisCherry ValleyCentral
309IllinoisHillsdaleCentral
309IllinoisRock IslandCentral
309IllinoisEast MolineCentral
618IllinoisShawneetownCentral
217IllinoisMattoonCentral