IL
Illinois area codes
Illinois has 16 area codes in our directory — 217, 224, 309, 312, 331, 447, 464, 618, 630, 708, 730, 773, 779, 815, 847, 872. Pick one for its map, live local time, coverage and dialing rules.
Map of Illinois area codes
41.2198, -88.6601
Open in OpenStreetMapArea codes in Illinois. Tap a pin to open that code’s page.
Codes
Area codes in Illinois
217Central
Springfield
Illinois
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224Central
Waukegan
Illinois
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309Central
Peoria
Illinois
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312Central
Chicago
Illinois
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331Central
Naperville
Illinois
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447Central
Springfield
Illinois
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464Central
Cicero
Illinois
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618Central
Belleville
Illinois
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630Central
Naperville
Illinois
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708Central
Cicero
Illinois
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730Central
Belleville
Illinois
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773Central
Chicago
Illinois
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779Central
Rockford
Illinois
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815Central
Rockford
Illinois
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847Central
Waukegan
Illinois
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872Central
Chicago
Illinois
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Coverage
Cities in Illinois
- Springfield
- Champaign
- Decatur
- Urbana
- Quincy
- Charleston
- Danville
- Waukegan
- Arlington Heights
- Evanston
- Schaumburg
- Palatine
- Skokie
- Des Plaines
- Mount Prospect
- Hoffman Estates
- Glenview
- Buffalo Grove
- Carpentersville
- Wheeling
- Park Ridge
- Algonquin
- Elk Grove Village
- Gurnee
Browse every area code in the directory.