Mascoutah, IL Area Codes
Mascoutah is served by area code 618. It is in Illinois, St. Clair County. About 10,437 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 618 |
| State / province | Illinois |
| County | St. Clair County |
| Population | 10,437 |
| ZIP codes | 1 |
| Time zone | Central |
| Coordinates | 38.4609, -89.7821 |
What area code is Mascoutah 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
Belleville 618, 730O Fallon 618, 730Fairview Heights 618, 730Troy 618, 730Collinsville 618, 730East Saint Louis 618, 730Highland 618Waterloo 618
How to dial
Dial 618 + 7 digits for a number in Mascoutah, or +1 618 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.