County ZIP codes · North Dakota · FIPS 38041
Hettinger County, ND ZIP Codes
Hettinger County, North Dakota has 5 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 2 of the residential ones lie mainly in Hettinger County and 3 mainly in a neighboring county; 5 cross the county line.
- ACS2020-24
- Census2020
Where are the ZIP codes of Hettinger County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All 5 residential ZIP codes in Hettinger County
2 ZIP codes lie mainly in Hettinger County; 3 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 58646 | Mott | 1,161 | 2 | $57k | $93k | 90% |
| 58650 | Regent | 434 | 1 | $74k | $98k | 93% |
Partly in Hettinger County
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?
5 ZIP codes of Hettinger County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Hettinger | Elsewhere |
|---|---|---|
| 58646 | 90% | Adams County9%; Stark County1% |
| 58647 | 44% | Slope County47%; Stark County8% |
| 58650 | 93% | Adams County7% |
| 58562 | 29% | Grant County63%; Adams County8% |
| 58649 | 11% | Adams County73%; Harding County9%; Bowman County5%; Slope County2% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
Which first three digits do Hettinger County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Hettinger County's ZIP codes use 2 prefixes: 585 and 586.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.