ZIP code · Marmarth · North Dakota · United States
ZIP code 58643 — Marmarth
ZIP code 58643 serves Marmarth, North Dakota.
- Postal code
- 58643Single source Value from one source, not cross-checked.
- City
- Marmarth
- County
- Slope FIPS 38087
- State
- North Dakota
- Country
- United States
- Coordinates
- 46.3254, -103.8800 — precision precise (locality)
View on OpenStreetMap - Population
- 113 (ZCTA, ACS 5-year)
- Population density
- 1 / sq mi
- Land area
- 141.2 sq mi (365.8 km²) (ZCTA, ACS 5-year)
- Median household income
- $62,250
- Per-capita income
- $50,394
- Median age
- 50.3
- Households
- 56
- Housing units
- 93
- Median home value
- $52,500
- 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/Denver (UTC−7 / UTC−6 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 58643 with another ZIP · ZIPs within 25 miles · distance from 58643
Map of ZIP code 58643
Climate — monthly normals
Warmest month Jul (avg high 85°F), coldest Jan (avg low 7°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 28 | 31 | 43 | 55 | 65 | 76 | 85 | 85 | 73 | 57 | 42 | 31 |
| Avg low °F | 7 | 10 | 20 | 30 | 40 | 50 | 56 | 54 | 44 | 31 | 20 | 10 |
| Precip in | 0.2 | 0.3 | 0.5 | 1.4 | 2.7 | 2.8 | 2.0 | 1.5 | 1.5 | 1.1 | 0.4 | 0.2 |
NOAA 1991–2020 climate normals from the nearest station: BAKER MUNI AP (17.8 mi) · NOAA NCEI
Places in ZIP 58643
- 2 schools
- 1 playgrounds
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