ZIP code · Coleharbor · North Dakota · United States
ZIP code 58531 — Coleharbor
ZIP code 58531 serves Coleharbor, North Dakota.
- Postal code
- 58531Single source Value from one source, not cross-checked.
- City
- Coleharbor
- County
- McLean FIPS 38055
- State
- North Dakota
- Country
- United States
- Coordinates
- 47.5442, -101.2238 — precision precise (locality)
View on OpenStreetMap - Population
- 328 (ZCTA, ACS 5-year)
- Population density
- 3 / sq mi
- Land area
- 118.2 sq mi (306.1 km²) (ZCTA, ACS 5-year)
- Median household income
- $67,067
- Per-capita income
- $53,380
- Median age
- 65.9
- Households
- 195
- Housing units
- 301
- Median home value
- $262,500
- Congressional district
- ND At-large (119th Congress)
- USDA hardiness zone
- 4a (-30 to -25 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 701 (from the nearest rate centre)Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 58531 with another ZIP · ZIPs within 25 miles · distance from 58531
Map of ZIP code 58531
Climate — monthly normals
Warmest month Jul (avg high 82°F), coldest Jan (avg low 1°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 19 | 23 | 36 | 53 | 66 | 75 | 82 | 82 | 71 | 54 | 37 | 24 |
| Avg low °F | 1 | 4 | 16 | 29 | 42 | 52 | 57 | 55 | 45 | 32 | 18 | 7 |
| Precip in | 0.5 | 0.5 | 0.8 | 1.4 | 2.6 | 3.8 | 2.4 | 1.7 | 1.6 | 1.4 | 0.7 | 0.6 |
NOAA 1991–2020 climate normals from the nearest station: UNDERWOOD (7.1 mi) · NOAA NCEI
Places in ZIP 58531
- 1 restaurants & cafés
- 6 parks
- 2 playgrounds
- 1 gas stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page