ZIP code · Ethridge · Montana · United States

ZIP code 59435 — Ethridge

ZIP code 59435 serves Ethridge, Montana.

Postal code
59435
Single source Value from one source, not cross-checked.
City
Ethridge
County
Toole FIPS 30101
State
Montana
Country
United States
Coordinates
48.5578, -112.1206 — precision precise (locality)
View on OpenStreetMap
Population
12 (ZCTA, ACS 5-year)
Population density
0 / sq mi
Land area
150.6 sq mi (390 km²) (ZCTA, ACS 5-year)
Per-capita income
$0
Households
12
Housing units
12
Congressional district
MT-2 (119th Congress)
USDA hardiness zone
4a (-30 to -25 °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 80°F), coldest Jan (avg low 11°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F323443526270808069544133
Avg low °F111220283745504840302013
Precip in0.20.20.40.91.62.71.31.01.10.60.40.3

NOAA 1991–2020 climate normals from the nearest station: CUT BANK MUNI AP (12.1 mi) · NOAA NCEI

Places in ZIP 59435

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