Area codes in Champaign, Illinois
Champaign, Illinois uses 2 area codes — 217 and 447. The main Champaign area code is 217.
Area codes serving Champaign
Phone numbers in Champaign are written as ten digits — for example (217) 555-0190 — and fall in the Central Time zone.
How Champaign came to have 2 area codes
The original Champaign area code is 217, in service since 1947. As the area ran low on available numbers, an overlay code was added over the same region for new phone lines: 447 (2021). Existing numbers kept their original code — an overlay never forces anyone to change their number — which is why Champaign now uses all 2 codes and every local call is dialed with ten digits.
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Nearby cities
- Champaign-Urbana area codes
- Decatur area codes
- Terre Haute area codes
- West Lafayette area codes
- Joliet area codes
- Hammond area codes
- Indianapolis area codes
- Valparaiso area codes
More cities in Illinois
- Chicago area codes
- Naperville area codes
- Rockford area codes
- Evanston area codes
- Schaumburg area codes
- DeKalb area codes
Frequently asked questions
What is the area code for Champaign?
The main area code for Champaign, Illinois is 217. Champaign is now served by 2 area codes in total: 217, 447.
How many area codes does Champaign have?
Champaign has 2 area codes: 217, 447.
Why does Champaign have more than one area code?
As Champaign used up the numbers available in its original area code (217, in service since 1947), additional "overlay" codes were added over the same area so new phone numbers could keep being assigned.
How do you dial a Champaign number?
Dial all 10 digits — the area code (217 or 447) followed by the 7-digit local number. From abroad, dial +1, then the area code and number.
Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of August 2, 2026. Refreshed monthly.