Troy, IL Area Codes
Troy is served by area codes 618 and 730. It is in Illinois, Madison County. About 15,325 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 618, 730 |
| State / province | Illinois |
| County | Madison County |
| Population | 15,325 |
| ZIP codes | 1 |
| Time zone | Central |
| Coordinates | 38.7026, -89.8675 |
What area code is Troy in?
ZIP codes in the code footprint
Nearby towns and their area codes
Collinsville 618, 730Glen Carbon 618O Fallon 618, 730Edwardsville 618Fairview Heights 618, 730Highland 618Granite City 618, 730Belleville 618, 730
How to dial
Dial 618 + 7 digits for a number in Troy, or +1 618 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.