Area Code Box

Illinois area codes

Illinois has 17 area codes. Find the one you need by city below, or look up a number.

Area codeMain citiesTime zone
217 Springfield, Champaign, Decatur and Danville Central Time
224 Northbrook, Arlington Hts, Des Plaines and Elgin Central Time
309 Peoria, Bloomington, Rock Island and Macomb Central Time
312 Chicgozn01, Wheeling, Oak Brook and La Grange Central Time
331 Aurora, Naperville, Downers Grove and St. Charles Central Time
447 Danville, Springfield, Champaign and Charleston Central Time
464 Oak For So, Forest Park, La Grange and Cicero Central Time
618 Collinsville, Carbondale, Belleville and Centralia Central Time
630 Schaumburg, La Grange, Naperville and Oak Brook Central Time
708 La Grange, Chicago Heights, Oak Forest and Schaumburg Central Time
730 Centralia, Herrin, Belleville and Olney Central Time
773 Harwood Heights, Chicgozn01, Chicgozn02 and Chicgozn07 Central Time
779 Rockford, Joliet, Momence and DeKalb Central Time
815 Rockford, Joliet, Kankakee and Woodstock Central Time
847 Northbrook, Schaumburg, Arlington Hts and Elk Grove Central Time
861 Peoria, Danvers, Moline and Pekin Central Time
872 Chicgozn01, Harwood Heights, Chicgozn04 and Chicgozn07 Central Time

Look up a Illinois number

Enter a 3-digit area code or a full 10-digit number.

Area codes by city in Illinois

Questions

How many area codes does Illinois have?
17: 217, 224, 309, 312, 331, 447, 464, 618, 630, 708, 730, 773, 779, 815, 847, 861 and 872.
What time zone is Illinois in?
Illinois area codes use Central Time.