Glendale Heights, IL Area Codes
Glendale Heights is served by area codes 331 and 630. It is in Illinois, DuPage County. About 32,848 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 331, 630 |
| State / province | Illinois |
| County | DuPage County |
| Population | 32,848 |
| ZIP codes | 1 |
| Time zone | Central |
| Coordinates | 41.9189, -88.0781 |
What area code is Glendale Heights in?
ZIP codes in the code footprint
Nearby towns and their area codes
Bloomingdale 224, 331, 630, 708, 847Glen Ellyn 331, 630Carol Stream 331, 630Addison 331, 630, 847Lombard 331, 630Roselle 224, 331, 630, 708, 847Wheaton 331, 630Itasca 331, 630, 847
How to dial
Dial 331 + 7 digits for a number in Glendale Heights, or +1 331 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.