ZIP code · Pompeys Pillar · Montana · United States

ZIP code 59064 — Pompeys Pillar

ZIP code 59064 serves Pompeys Pillar, Montana.

Postal code: 59064
Single source Value from one source, not cross-checked.
City: Pompeys Pillar
County: Yellowstone FIPS 30111
State: Montana
Country: United States
Coordinates: 45.9838, -107.9154 — precision precise (locality)
View on OpenStreetMap
Population: 233 (ZCTA, ACS 5-year)
Population density: 1 / sq mi
Land area: 230.1 sq mi (596.1 km²) (ZCTA, ACS 5-year)
Per-capita income: $46,664
Median age: 48.2
Households: 108
Housing units: 158
Median home value: $277,000
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 (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.

Tools: compare 59064 with another ZIP · ZIPs within 25 miles · distance from 59064

Climate — monthly normals

Warmest month Aug (avg high 85°F), coldest Jan (avg low 10°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	34	37	46	55	65	75	85	85	73	58	45	36
Avg low °F	10	12	20	29	39	48	54	52	42	30	19	12
Precip in	0.5	0.6	0.7	1.6	2.6	2.6	1.4	0.9	1.2	1.4	0.5	0.4

NOAA 1991–2020 climate normals from the nearest station: POMPEYS PILLAR 15N (15.3 mi) · NOAA NCEI

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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

Map of ZIP code 59064

Climate — monthly normals

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