Grassy Butte zipcode
| City | Grassy Butte |
| ZIP Code | 58634 |
| Type | Standard |
| State Code | ND |
| State | North Dakota |
ZIP code of Grassy Butte is 58634. This place is located in North Dakota state in US. To send any postal service to Grassy Butte, you must use 58634 zipcode.
You should avoid following 1 city name of North Dakota to be used with the ZIP code 58634.
- Rhoades, ND