Mchenry, IL Area Codes
Mchenry is served by area codes 779 and 815. It is in Illinois, McHenry County. About 56,402 people live in its 2 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 779, 815 |
| State / province | Illinois |
| County | McHenry County |
| Population | 56,402 |
| ZIP codes | 2 |
| Time zone | Central |
| Coordinates | 42.3399, -88.2571 |
What area code is Mchenry in?
ZIP codes in the code footprint
Nearby towns and their area codes
Fox Lake 224, 847Crystal Lake 779, 815Wonder Lake 779, 815Spring Grove 779, 815Wauconda 224, 847Round Lake 224, 847Cary 224, 847Woodstock 779, 815
How to dial
Dial 779 + 7 digits for a number in Mchenry, or +1 779 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.