Galesburg, IL Area Codes
Galesburg is served by area code 309. It is in Illinois, Knox County. About 32,203 people live in its 2 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 309 |
| State / province | Illinois |
| County | Knox County |
| Population | 32,203 |
| ZIP codes | 2 |
| Time zone | Central |
| Coordinates | 40.9425, -90.3965 |
What area code is Galesburg in?
| Area code | Main state | Population covered | Overlap |
|---|---|---|---|
| 309 | Illinois | 887,272 | — |
ZIP codes in the code footprint
Nearby towns and their area codes
How to dial
Dial 309 + 7 digits for a number in Galesburg, or +1 309 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.