| Post Office Name | US Post Office |
| Address | 301 1st St |
| City | Underwood |
| State | North Dakota |
| Phone Number | (701) 442-5441 |
| Latitude | 47.4428 |
| Longitude | -101.2019 |
58576 US Post Office in Underwood, North Dakota is located at 301 1st St. The Underwood Post Office Number is (701) 442-5441