Granite City, IL Area Codes
Granite City is served by area codes 618 and 730. It is in Illinois, Madison County. About 40,404 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 618, 730 |
| State / province | Illinois |
| County | Madison County |
| Population | 40,404 |
| ZIP codes | 1 |
| Time zone | Central |
| Coordinates | 38.7149, -90.0989 |
What area code is Granite City in?
ZIP codes in the code footprint
Nearby towns and their area codes
Collinsville 618, 730Glen Carbon 618East Saint Louis 618, 730Edwardsville 618Fairview Heights 618, 730Wood River 618East Alton 618Troy 618, 730
How to dial
Dial 618 + 7 digits for a number in Granite City, or +1 618 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.