Marengo, IL Area Codes
Marengo is served by area codes 779 and 815. It is in Illinois, McHenry County. About 12,417 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 779, 815 |
| State / province | Illinois |
| County | McHenry County |
| Population | 12,417 |
| ZIP codes | 1 |
| Time zone | Central |
| Coordinates | 42.2394, -88.6273 |
What area code is Marengo in?
ZIP codes in the code footprint
Nearby towns and their area codes
Huntley 224, 847Woodstock 779, 815Belvidere 779, 815Hampshire 224, 847Harvard 779, 815Crystal Lake 779, 815Poplar Grove 779, 815Gilberts 224, 847
How to dial
Dial 779 + 7 digits for a number in Marengo, or +1 779 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.