Hillsdale, MI Area Codes
Hillsdale is served by area code 517. It is in Michigan, Hillsdale County. About 14,750 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 517 |
| State / province | Michigan |
| County | Hillsdale County |
| Population | 14,750 |
| ZIP codes | 1 |
| Time zone | Eastern |
| Coordinates | 41.8863, -84.6227 |
What area code is Hillsdale in?
| Area code | Main state | Population covered | Overlap |
|---|---|---|---|
| 517 | Michigan | 911,392 | — |
ZIP codes in the code footprint
Nearby towns and their area codes
How to dial
Dial 517 + 7 digits for a number in Hillsdale, or +1 517 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.