ZIP code · Ralston · Wyoming · United States

ZIP code 82440 — Ralston

ZIP code 82440 serves Ralston, Wyoming.

Postal code
82440
Single source Value from one source, not cross-checked.
City
Ralston
County
Park FIPS 56029
State
Wyoming
Country
United States
Coordinates
44.7161, -108.8646 — precision precise (locality)
View on OpenStreetMap
Population
72 (ZCTA, ACS 5-year)
Population density
113 / sq mi
Land area
0.6 sq mi (1.7 km²) (ZCTA, ACS 5-year)
Per-capita income
$24,131
Median age
66.6
Households
72
Housing units
72
Congressional district
WY At-large (119th Congress)
USDA hardiness zone
5a (-20 to -15 °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
307 (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.

Nearby localities

Climate — monthly normals

Warmest month Jul (avg high 85°F), coldest Jan (avg low 13°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F343850596877858373594534
Avg low °F131524314148545344332214
Precip in0.30.40.60.81.81.50.90.50.90.90.30.3

NOAA 1991–2020 climate normals from the nearest station: HEART MTN (4.5 mi) · NOAA NCEI

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