ZIP code · Mountain City · Nevada · United States
ZIP code 89831 — Mountain City
ZIP code 89831 serves Mountain City, Nevada.
- Postal code
- 89831Single source Value from one source, not cross-checked.
- City
- Mountain City
- County
- Elko FIPS 32007
- State
- Nevada
- Country
- United States
- Coordinates
- 41.8385, -115.9654 — precision precise (locality)
View on OpenStreetMap - Population
- 26 (ZCTA, ACS 5-year)
- Population density
- 0 / sq mi
- Land area
- 124.3 sq mi (321.8 km²) (ZCTA, ACS 5-year)
- Per-capita income
- $0
- Households
- 26
- Housing units
- 77
- Congressional district
- NV-2 (119th Congress)
- USDA hardiness zone
- 6a (-10 to -5 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Area code
- 775Telephone 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 89831 with another ZIP · ZIPs within 25 miles · distance from 89831
Nearby localities
Map of ZIP code 89831
Climate — monthly normals
Warmest month Jul (avg high 85°F), coldest Jan (avg low 5°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 33 | 36 | 44 | 52 | 62 | 73 | 85 | 83 | 74 | 60 | 45 | 34 |
| Avg low °F | 5 | 8 | 17 | 25 | 30 | 36 | 41 | 39 | 31 | 23 | 16 | 7 |
| Precip in | 1.7 | 1.0 | 1.2 | 1.4 | 1.6 | 0.8 | 0.5 | 0.4 | 0.6 | 0.8 | 1.1 | 1.7 |
NOAA 1991–2020 climate normals from the nearest station: WILD HORSE RSVR (16.4 mi) · NOAA NCEI
Places in ZIP 89831
- 2 post offices
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