ZIP code · Alzada · Montana · United States
ZIP code 59311 — Alzada
ZIP code 59311 serves Alzada, Montana.
- Postal code
- 59311Single source Value from one source, not cross-checked.
- City
- Alzada
- County
- Carter FIPS 30011
- State
- Montana
- Country
- United States
- Coordinates
- 45.1562, -104.2617 — precision estimated (postal-area centroid)
View on OpenStreetMap - Population
- 145 (ZCTA, ACS 5-year)
- Population density
- 0 / sq mi
- Land area
- 808.2 sq mi (2,093.2 km²) (ZCTA, ACS 5-year)
- Median household income
- $61,000
- Per-capita income
- $33,107
- Median age
- 57
- Households
- 66
- Housing units
- 80
- 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.
- 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 59311 with another ZIP · ZIPs within 25 miles · distance from 59311
Map of ZIP code 59311
Climate — monthly normals
Warmest month Jul (avg high 84°F), coldest Jan (avg low 3°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 29 | 32 | 43 | 53 | 64 | 75 | 84 | 83 | 73 | 56 | 42 | 31 |
| Avg low °F | 3 | 6 | 14 | 24 | 35 | 45 | 50 | 48 | 37 | 24 | 13 | 4 |
| Precip in | 0.3 | 0.5 | 1.0 | 1.6 | 3.1 | 3.0 | 1.9 | 1.9 | 1.1 | 1.3 | 0.3 | 0.4 |
NOAA 1991–2020 climate normals from the nearest station: ALBION 1 N (3.7 mi) · NOAA NCEI
Places in ZIP 59311
- 2 schools
- 1 restaurants & cafés
- 1 bars & pubs
- 1 post offices
- 4 places of worship
- 1 gas 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