Westmont, IL Area Codes
Westmont is served by area codes 312, 331, 630, 708 and 847. It is in Illinois, DuPage County. About 24,231 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 312, 331, 630, 708, 847 … |
| State / province | Illinois |
| County | DuPage County |
| Population | 24,231 |
| ZIP codes | 1 |
| Time zone | Central |
| Coordinates | 41.7944, -87.9729 |
What area code is Westmont in?
| Area code | Main state | Population covered | Overlap |
|---|---|---|---|
| 312 | Illinois | 2,795,182 | — |
| 331 | Illinois | 1,454,618 | — |
| 630 | Illinois | 1,832,033 | — |
| 708 | Illinois | 1,731,186 | — |
| 847 | Illinois | 2,332,627 | — |
ZIP codes in the code footprint
Nearby towns and their area codes
Clarendon Hills 312, 331, 630, 708, 847Downers Grove 331, 630Hinsdale 312, 331, 630, 708, 847Oak Brook 312, 331, 630, 708, 847Darien 331, 630Western Springs 630, 708La Grange Park 464, 708Woodridge 331, 630
How to dial
Dial 312 + 7 digits for a number in Westmont, or +1 312 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.