ZIP code · Grantsdale · Montana · United States
ZIP code 59835 — Grantsdale
ZIP code 59835 serves Grantsdale, Montana.
- Postal code
- 59835Single source Value from one source, not cross-checked.
- City
- Grantsdale
- County
- Ravalli
- State
- Montana
- Country
- United States
- Coordinates
- 46.2035, -114.1418 — precision precise (locality)
View on OpenStreetMap - USDA hardiness zone
- 5b (-15 to -10 °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
- 406 (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 59835 with another ZIP · ZIPs within 25 miles · distance from 59835
Climate — monthly normals
Warmest month Jul (avg high 84°F), coldest Dec (avg low 18°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 35 | 39 | 49 | 56 | 66 | 73 | 84 | 82 | 72 | 57 | 43 | 34 |
| Avg low °F | 19 | 20 | 25 | 31 | 38 | 45 | 50 | 48 | 40 | 31 | 23 | 18 |
| Precip in | 1.0 | 1.2 | 1.0 | 1.1 | 1.5 | 1.6 | 0.8 | 0.8 | 0.8 | 0.9 | 1.4 | 1.3 |
NOAA 1991–2020 climate normals from the nearest station: HAMILTON (3.2 mi) · NOAA NCEI
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 · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page