ZIP code · Alamo · North Dakota · United States

ZIP code 58830 — Alamo

ZIP code 58830 serves Alamo, North Dakota.

Postal code
58830
Single source Value from one source, not cross-checked.
City
Alamo
County
Williams FIPS 38105
State
North Dakota
Country
United States
Coordinates
48.5817, -103.4699 — precision precise (locality)
View on OpenStreetMap
Population
91 (ZCTA, ACS 5-year)
Population density
0 / sq mi
Land area
314.7 sq mi (815.1 km²) (ZCTA, ACS 5-year)
Median household income
$53,750
Per-capita income
$70,138
Median age
63.1
Households
52
Housing units
81
Median home value
$181,300
Congressional district
ND At-large (119th Congress)
USDA hardiness zone
3b (-35 to -30 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/Chicago (UTC−6 / UTC−5 DST)
Area code
701
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 Aug (avg high 80°F), coldest Jan (avg low -2°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F182235526573798070533523
Avg low °F-221527405054524229154
Precip in0.60.40.71.02.23.43.11.61.41.20.60.6

NOAA 1991–2020 climate normals from the nearest station: WILDROSE 3NW (13.0 mi) · NOAA NCEI

Places in ZIP 58830

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