ZIP code · Malta · Montana · United States

ZIP code 59538 — Malta

ZIP code 59538 serves Malta, Montana.

Postal code
59538
Single source Value from one source, not cross-checked.
City
Malta
County
Phillips FIPS 30071
State
Montana
Country
United States
Coordinates
48.3692, -107.8408 — precision precise (locality)
View on OpenStreetMap
Population
2,842 (ZCTA, ACS 5-year)
Population density
1 / sq mi
Land area
2,491.8 sq mi (6,453.6 km²) (ZCTA, ACS 5-year)
Median household income
$65,833
Per-capita income
$36,963
Median age
44
Households
1,166
Housing units
1,363
Median home value
$174,500
Median gross rent
$677 / month
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 86°F), coldest Jan (avg low 7°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F293245596977868674594331
Avg low °F71121334252575646332010
Precip in0.40.40.51.31.72.71.61.31.41.00.70.5

NOAA 1991–2020 climate normals from the nearest station: MALTA (1.6 mi) · NOAA NCEI

Places in ZIP 59538

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