East Alton, IL Area Codes
East Alton is served by area code 618. It is in Illinois, Madison County. About 9,493 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 618 |
| State / province | Illinois |
| County | Madison County |
| Population | 9,493 |
| ZIP codes | 1 |
| Time zone | Central |
| Coordinates | 38.8831, -90.0900 |
What area code is East Alton 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
Wood River 618Bethalto 618Alton 618, 730Edwardsville 618Godfrey 618Glen Carbon 618Granite City 618, 730Collinsville 618, 730
How to dial
Dial 618 + 7 digits for a number in East Alton, or +1 618 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.