Billings County, North Dakota ZIP codes
3 ZIP codes are in Billings County, plus 5 that cross in from neighboring counties. It's part of the Dickinson, ND micro area.
- ZIP codes
- 3
- Population in these ZIPs
- 2,162
- Avg. median income
- $82,900population-weighted
- Cities & towns
- 3
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Billings County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 58622 | Belfield | 1,653 | $82,692 | $253,000 |
| 58627 | Fairfield | 189 | $93,036 | $345,800 |
| 58645 | Medora | 320 | $78,086 | $258,300 |
ZIP codes partly in Billings County
These ZIP codes are mostly in a neighboring county but cover part of Billings County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 58620 | Amidon | Slope County | 154 | $76,875 | — |
| 58621 | Beach | Golden Valley County | 1,161 | $67,000 | $124,800 |
| 58634 | Grassy Butte | McKenzie County | 402 | $157,750 | — |
| 58640 | Killdeer | Dunn County | 1,369 | $100,688 | $282,400 |
| 58642 | Manning | Dunn County | 422 | $101,700 | $276,100 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Billings County
Nearby counties
Frequently asked questions
How many ZIP codes are in Billings County, North Dakota?
3 ZIP codes are mainly in Billings County, and 5 more ZIP codes from neighboring areas reach partly into it.
What cities are in Billings County?
ZIP codes in Billings County use the city names Belfield, Fairfield and Medora.
What metro area is Billings County in?
Billings County is part of the Dickinson, ND micropolitan statistical area.