County ZIP codes · North Dakota · FIPS 38033
Golden Valley County, ND ZIP Codes
Golden Valley County, North Dakota has 4 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 3 of the residential ones lie mainly in Golden Valley County and 1 mainly in a neighboring county; 3 cross the county line.
- ACS2020-24
- Census2020
Where are the ZIP codes of Golden Valley County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All 4 residential ZIP codes in Golden Valley County
3 ZIP codes lie mainly in Golden Valley County; 1 more reaches into it from a neighboring county and follows the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 58621 | Beach | 1,161 | 3 | $67k | $125k | 91% |
| 58632 | Golva | 268 | 4 | $60k | $124k | 100% |
| 58654 | Sentinel Butte | 244 | 0 | $90k | $114k | 80% |
Partly in Golden Valley County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 58645 | Medora | 320 | 1 | $78k | $258k | 8% |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
3 ZIP codes of Golden Valley County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Golden Valley | Elsewhere |
|---|---|---|
| 58621 | 91% | Wibaux County4%; McKenzie County3%; Billings County2% |
| 58645 | 8% | Billings County92% |
| 58654 | 80% | Slope County20% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
Which first three digits do Golden Valley County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Golden Valley County starts with 586.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 586 | Bismarck, ND (SCF 585) | 4 | 32 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.