ZIP code · Decker · Montana · United States
ZIP code 59025 — Decker
ZIP code 59025 serves Decker, Montana.
- Postal code
- 59025Single source Value from one source, not cross-checked.
- City
- Decker
- County
- Big Horn FIPS 30003
- State
- Montana
- Country
- United States
- Coordinates
- 45.1797, -106.8721 — precision precise (locality)
View on OpenStreetMap - Population
- 41 (ZCTA, ACS 5-year)
- Population density
- 0 / sq mi
- Land area
- 563.5 sq mi (1,459.4 km²) (ZCTA, ACS 5-year)
- Per-capita income
- $44,078
- Median age
- 51.4
- Households
- 25
- Housing units
- 80
- Congressional district
- MT-2 (119th Congress)
- USDA hardiness zone
- 5a (-20 to -15 °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
- 406Telephone 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 59025 with another ZIP · ZIPs within 25 miles · distance from 59025
Map of ZIP code 59025
Climate — monthly normals
Warmest month Jul (avg high 87°F), coldest Jan (avg low 10°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 34 | 37 | 48 | 56 | 65 | 76 | 87 | 86 | 75 | 59 | 45 | 35 |
| Avg low °F | 10 | 13 | 22 | 30 | 40 | 49 | 55 | 52 | 42 | 31 | 20 | 12 |
| Precip in | 0.5 | 0.4 | 0.7 | 1.4 | 2.9 | 2.3 | 1.1 | 0.7 | 1.4 | 1.5 | 0.5 | 0.4 |
NOAA 1991–2020 climate normals from the nearest station: SHERIDAN FLD STN (23.5 mi) · NOAA NCEI
Places in ZIP 59025
- 1 schools
- 1 parks
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