Winfield, IL Area Codes
Winfield is served by area codes 331 and 630. It is in Illinois, DuPage County. About 11,826 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 331, 630 |
| State / province | Illinois |
| County | DuPage County |
| Population | 11,826 |
| ZIP codes | 1 |
| Time zone | Central |
| Coordinates | 41.8736, -88.1562 |
What area code is Winfield in?
ZIP codes in the code footprint
Nearby towns and their area codes
Wheaton 331, 630Carol Stream 331, 630West Chicago 331, 630Bloomingdale 224, 331, 630, 708, 847Warrenville 331, 630Glen Ellyn 331, 630Glendale Heights 331, 630Lisle 331, 630
How to dial
Dial 331 + 7 digits for a number in Winfield, or +1 331 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.