| Post Office Name | US Post Office |
| Address | 721 Main Ave |
| City | Washburn |
| State | North Dakota |
| Phone Number | (701) 462-3773 |
| Latitude | 47.3716 |
| Longitude | -100.9708 |
58577 US Post Office in Washburn, North Dakota is located at 721 Main Ave. The Washburn Post Office Number is (701) 462-3773