ZIP code · Corvallis · Montana · United States

ZIP code 59828 — Corvallis

ZIP code 59828 serves Corvallis, Montana.

Postal code
59828
Single source Value from one source, not cross-checked.
City
Corvallis
County
Ravalli FIPS 30081
State
Montana
Country
United States
Coordinates
46.3142, -114.0960 — precision precise (locality)
View on OpenStreetMap
Population
5,798 (ZCTA, ACS 5-year)
Population density
35 / sq mi
Land area
165 sq mi (427.4 km²) (ZCTA, ACS 5-year)
Median household income
$82,265
Per-capita income
$43,122
Median age
49.2
Households
2,382
Housing units
2,513
Median home value
$428,900
Median gross rent
$1,148 / month
Congressional district
MT-1 (119th Congress)
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.

Climate — monthly normals

Warmest month Jul (avg high 86°F), coldest Dec (avg low 18°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F364149576775868473584335
Avg low °F192126323945504841322418
Precip in0.70.60.81.01.61.70.80.80.90.80.90.9

NOAA 1991–2020 climate normals from the nearest station: WESTERN AG RSCH CTR (1.1 mi) · NOAA NCEI

Places in ZIP 59828

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