Sycamore, IL Area Codes
Sycamore is served by area codes 779 and 815. It is in Illinois, DeKalb County. About 22,224 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 779, 815 |
| State / province | Illinois |
| County | DeKalb County |
| Population | 22,224 |
| ZIP codes | 1 |
| Time zone | Central |
| Coordinates | 42.0082, -88.6607 |
What area code is Sycamore in?
ZIP codes in the code footprint
Nearby towns and their area codes
Hampshire 224, 847Dekalb 779, 815Elburn 331, 630Gilberts 224, 847Huntley 224, 847Marengo 779, 815Saint Charles 331, 630South Elgin 224, 630, 847
How to dial
Dial 779 + 7 digits for a number in Sycamore, or +1 779 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.