Illinois Area Codes

Updated August 5, 2020 | Infoplease Staff
Area codes Selected cities
217Springfield, Champaign
224Evanston, Schaumburg
309Peoria, Bloomington
312, 773Chicago
618Carbondale, East St. Louis
630Aurora, Naperville
708Chicago Heights, Cicero
815Rockford, Joliet
847Waukegan, Skokie
Source: North American Numbering Plan Administration. Web: .

To find phone numbers, area code information, and area code maps, see our White Pages.

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Area Codes: United States, Canada, Caribbean
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