ZIP code · Winnett · Montana · United States

ZIP code 59087 — Winnett

ZIP code 59087 serves Winnett, Montana.

Postal code
59087
Single source Value from one source, not cross-checked.
City
Winnett
County
Petroleum FIPS 30069
State
Montana
Country
United States
Coordinates
46.9438, -108.3184 — precision precise (locality)
View on OpenStreetMap
Population
348 (ZCTA, ACS 5-year)
Population density
0 / sq mi
Land area
1,277.2 sq mi (3,308 km²) (ZCTA, ACS 5-year)
Median household income
$60,625
Per-capita income
$42,547
Median age
51.6
Households
182
Housing units
269
Median home value
$167,100
Median gross rent
$769 / month
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
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.

Climate — monthly normals

Warmest month Jul (avg high 86°F), coldest Jan (avg low 14°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F363848586776868675604637
Avg low °F141624324150555445352416
Precip in0.50.50.61.42.82.71.31.11.21.20.50.5

NOAA 1991–2020 climate normals from the nearest station: FLATWILLOW 4 ENE (8.8 mi) · NOAA NCEI

Places in ZIP 59087

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