Illinoisarea codes
Illinois has 17 area codes, all on Central time. Pick one to see where it is and how to call it.
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- Area codes
- 17
- Country
- United States
- Time zone
- Central
- Local time
- --:--
Illinois area codes
All 17 codesin Illinois.
- 217Springfield, Champaign, DecaturSame area as 447
- 224Evanston, Schaumburg, WaukeganSame area as 847
- 309Peoria, BloomingtonSame area as 861
- 312Chicago (downtown)Same area as 872
- 331Aurora, Naperville, WheatonSame area as 630
- 447Springfield, Champaign, DecaturSame area as 217
- 464Chicago south and west suburbs (Cicero, Oak Lawn)Same area as 708
- 618Southern Illinois (Belleville, Carbondale)Same area as 730
- 630Aurora, Naperville, WheatonSame area as 331
- 708Chicago south and west suburbs (Cicero, Oak Lawn)Same area as 464
- 730Southern Illinois (Belleville, Carbondale)Same area as 618
- 773ChicagoSame area as 872
- 779Rockford, JolietSame area as 815
- 815Rockford, JolietSame area as 779
- 847Evanston, Schaumburg, WaukeganSame area as 224
- 861Peoria, BloomingtonSame area as 309
- 872ChicagoSame area as 312 and 773
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Got a callfrom a Illinois number?
A Illinois area code shows where the number was first assigned, not where the caller is now. People keep their numbers when they move, and scammers often fake local-looking numbers.
- Don’t know the number? Let it go to voicemail.
- Says it’s your bank or a government office? Hang up and call the number on their website or your card.
- Never share codes, passwords or card details with a caller.
- Report scam calls to the FTC.
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Call Illinoisfrom any country.
The number works the same from every country. Only the start changes: + or your exit code, then 1 for the US and Canada.
- Dial + on a mobile, or your exit code (00 in most countries, 011 from the US and Canada)
- Dial 1, the country code for the US and Canada
- Dial the area code and the 7-digit number
Area codes in other states and provinces
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Illinois has 17 area codes: 217, 224, 309, 312, 331, 447, 464, 618, 630, 708, 730, 773, 779, 815, 847, 861 and 872. It uses Central time.
Illinois is on Central time.
Dial + (or your exit code, such as 00 or 011), then 1, the 3-digit area code and the 7-digit number. For example: +1 217 555 0123. With GlobCall you can call from your browser from $0.02/min.