West Chicago, IL Area Codes
West Chicago is served by area codes 331 and 630. It is in Illinois, DuPage County. About 33,703 people live in its 2 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 331, 630 |
| State / province | Illinois |
| County | DuPage County |
| Population | 33,703 |
| ZIP codes | 2 |
| Time zone | Central |
| Coordinates | 41.8890, -88.2095 |
What area code is West Chicago in?
ZIP codes in the code footprint
Nearby towns and their area codes
Winfield 331, 630Warrenville 331, 630Carol Stream 331, 630Wheaton 331, 630Bloomingdale 224, 331, 630, 708, 847Bartlett 224, 331, 630, 847Batavia 331, 630Geneva 331, 630
How to dial
Dial 331 + 7 digits for a number in West Chicago, or +1 331 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.