ZIP code · South Heart · North Dakota · United States
ZIP code 58655 — South Heart
ZIP code 58655 serves South Heart, North Dakota.
- Postal code
- 58655Single source Value from one source, not cross-checked.
- City
- South Heart
- County
- Stark FIPS 38089
- State
- North Dakota
- Country
- United States
- Coordinates
- 46.8127, -103.0162 — precision precise (locality)
View on OpenStreetMap - Population
- 644 (ZCTA, ACS 5-year)
- Population density
- 6 / sq mi
- Land area
- 112.1 sq mi (290.3 km²) (ZCTA, ACS 5-year)
- Median household income
- $136,771
- Per-capita income
- $52,761
- Median age
- 36.8
- Households
- 259
- Housing units
- 289
- Median home value
- $303,700
- Median gross rent
- $712 / month
- Congressional district
- ND At-large (119th Congress)
- USDA hardiness zone
- 4b (-25 to -20 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Denver (UTC−7 / UTC−6 DST)
- Area code
- 701Telephone 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 58655 with another ZIP · ZIPs within 25 miles · distance from 58655
Map of ZIP code 58655
Climate — monthly normals
Warmest month Jul (avg high 84°F), coldest Jan (avg low 6°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 27 | 30 | 42 | 55 | 66 | 76 | 84 | 84 | 73 | 56 | 41 | 30 |
| Avg low °F | 6 | 9 | 19 | 28 | 40 | 49 | 55 | 53 | 44 | 31 | 19 | 10 |
| Precip in | 0.3 | 0.3 | 0.6 | 1.4 | 2.5 | 3.0 | 2.5 | 1.5 | 1.6 | 1.2 | 0.5 | 0.2 |
NOAA 1991–2020 climate normals from the nearest station: THEODORE ROOSEVELT AP (10.4 mi) · NOAA NCEI
Places in ZIP 58655
- 1 schools
- 1 bars & pubs
- 2 playgrounds
- 1 post offices
- 1 places of worship
- 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