Illinois Area Codes

Area code lookup

Illinois is currently using 16 area codes

217	Champaign, Decatur, Danville, Charleston, Jacksonville, Mattoon, Lincoln, Effingham, Chatham, Mahomet
224	Elgin, Waukegan, Arlington Heights, Evanston, Schaumburg, Palatine, Skokie, Des Plaines, Mount Prospect, Hoffman Estates
309	Peoria, Bloomington, Normal, Moline, Rock Island, Pekin, Galesburg, East Peoria, East Moline, Macomb
312	Wheeling, Schaumburg, Hinsdale, Chicago
331	Aurora, Joliet, Naperville, Bolingbrook, Wheaton, Elmhurst, Lombard, Plainfield, Bartlett, Carol Stream
618	Belleville, Granite City, Alton, Carbondale, Edwardsville, Collinsville, Marion, Godfrey, Cahokia, Herrin
630	Aurora, Joliet, Naperville, Elgin, Schaumburg, Bolingbrook, Wheaton, Elmhurst, Lombard, Plainfield
708	Cicero, Schaumburg, Orland Park, Tinley Park, Oak Lawn, Berwyn, Oak Park, Wheeling, Calumet City, Northbrook
773	Summit, Schiller Park, River Grove, Chicago
779	Rockford, Joliet, Bolingbrook, DeKalb, Plainfield, Crystal Lake, Romeoville, Kankakee, McHenry, New Lenox
815	Joliet, Bolingbrook, DeKalb, Plainfield, Crystal Lake, Northbrook, Kankakee, McHenry, New Lenox, Lockport
847	Elgin, Waukegan, Arlington Heights, Evanston, Schaumburg, Palatine, Skokie, Des Plaines, Mount Prospect, Hoffman Estates
872	Chicago

Find out how many area codes in Illinois including largest cities/towns covered