Harrisburg, IL Area Codes
Harrisburg is served by area code 618. It is in Illinois, Saline County. About 11,256 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 618 |
| State / province | Illinois |
| County | Saline County |
| Population | 11,256 |
| ZIP codes | 1 |
| Time zone | Central |
| Coordinates | 37.7008, -88.5203 |
What area code is Harrisburg in?
| Area code | Main state | Population covered | Overlap |
|---|---|---|---|
| 618 | Illinois | 1,184,182 | — |
ZIP codes in the code footprint
Nearby towns and their area codes
Marion 618, 730West Frankfort 618Herrin 618, 730Benton 618, 730Carterville 618Metropolis 618Carbondale 618, 730Du Quoin 618
How to dial
Dial 618 + 7 digits for a number in Harrisburg, or +1 618 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.