About ZIP code 49931
The ZIP code 49931 routes mail to Houghton in the Michigan region of United States. Use it as the postal segment of any address in this area, and confirm unusual addresses with the local postal operator.
United States ยท ZIP code
49931 - Houghton
ZIP code 49931 is Houghton in Michigan, United States.
| ZIP code | 49931 |
| Place | Houghton |
| Region | Michigan |
| District | Houghton |
| Country | United States (US) |
| Coordinates | 47.1158, -88.558 (map) |