Chillicothe, IL Area Codes
Chillicothe is served by area code 309. It is in Illinois, Peoria County. About 10,203 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 309 |
| State / province | Illinois |
| County | Peoria County |
| Population | 10,203 |
| ZIP codes | 1 |
| Time zone | Central |
| Coordinates | 40.9120, -89.5378 |
What area code is Chillicothe in?
| Area code | Main state | Population covered | Overlap |
|---|---|---|---|
| 309 | Illinois | 887,272 | — |
ZIP codes in the code footprint
Nearby towns and their area codes
Dunlap 309Metamora 309Peoria 309, 861East Peoria 309Washington 309Morton 309Pekin 309, 861Kewanee 309
How to dial
Dial 309 + 7 digits for a number in Chillicothe, or +1 309 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.