Mount Washington zipcode
| City | Mount Washington |
| ZIP Code | 03589 |
| Type | PO Box |
| State Code | NH |
| State | New Hampshire |
ZIP code of Mount Washington is 03589. This place is located in New Hampshire state in US. To send any postal service to Mount Washington, you must use 03589 zipcode.
The ZIP code 03589 is also used with 1 more city name of New Hampshire.
- Mt Washington, NH