ZIP code · Simms · Montana · United States
ZIP code 59477 — Simms
ZIP code 59477 serves Simms, Montana.
- Postal code
- 59477Single source Value from one source, not cross-checked.
- City
- Simms
- County
- Cascade FIPS 30013
- State
- Montana
- Country
- United States
- Coordinates
- 47.4958, -111.8861 — precision precise (locality)
View on OpenStreetMap - Population
- 326 (ZCTA, ACS 5-year)
- Population density
- 5 / sq mi
- Land area
- 66.3 sq mi (171.8 km²) (ZCTA, ACS 5-year)
- Median household income
- $95,938
- Per-capita income
- $44,167
- Median age
- 39.4
- Households
- 133
- Housing units
- 133
- Median home value
- $193,900
- Congressional district
- MT-2 (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
- 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 59477 with another ZIP · ZIPs within 25 miles · distance from 59477
Map of ZIP code 59477
Climate — monthly normals
Warmest month Jul (avg high 83°F), coldest Jan (avg low 13°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 38 | 39 | 47 | 56 | 65 | 73 | 83 | 82 | 72 | 58 | 45 | 37 |
| Avg low °F | 13 | 13 | 20 | 28 | 36 | 44 | 48 | 47 | 40 | 31 | 21 | 14 |
| Precip in | 0.4 | 0.5 | 0.6 | 1.7 | 2.2 | 2.7 | 1.1 | 1.0 | 1.3 | 0.9 | 0.6 | 0.4 |
NOAA 1991–2020 climate normals from the nearest station: SUN RVR 4 S (7.1 mi) · NOAA NCEI
Places in ZIP 59477
- 1 schools
- 1 post offices
- 2 places of worship
- 1 police & fire 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