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
815IllinoisMarseillesCentral
618IllinoisCartervilleCentral
618IllinoisJohnsonvilleCentral
815IllinoisSycamoreCentral
217IllinoisLoraineCentral
309IllinoisPrincevilleCentral
618IllinoisCisneCentral
217IllinoisRoodhouseCentral
309IllinoisEdgingtonCentral
217IllinoisOakwoodCentral
630IllinoisLa GrangeCentral
815IllinoisPaw PawCentral
618IllinoisAltamontCentral
847IllinoisGlenviewCentral
847IllinoisWaukeganCentral
815IllinoisMonroe CenterCentral
309IllinoisJoyCentral
309IllinoisStronghurstCentral
815IllinoisKankakeeCentral
618IllinoisOlneyCentral
309IllinoisOquawkaCentral
708IllinoisBellwoodCentral
309IllinoisAstoriaCentral
779IllinoisCrescent CityCentral
779IllinoisBeloitCentral