Olney, IL Area Codes
Olney is served by area codes 618 and 730. It is in Illinois, Richland County. About 12,327 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 618, 730 |
| State / province | Illinois |
| County | Richland County |
| Population | 12,327 |
| ZIP codes | 1 |
| Time zone | Central |
| Coordinates | 38.7132, -88.0893 |
What area code is Olney in?
ZIP codes in the code footprint
Nearby towns and their area codes
Mount Carmel 618Robinson 618Effingham 217, 447Salem 618, 730Mount Vernon 618, 730Mattoon 217, 447Charleston 217, 447Centralia 618, 730
How to dial
Dial 618 + 7 digits for a number in Olney, or +1 618 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.