ZIP code · Carbon · Iowa · United States

ZIP code 50839 — Carbon

ZIP code 50839 serves Carbon, Iowa.

Postal code
50839
Single source Value from one source, not cross-checked.
City
Carbon
County
Adams FIPS 19003
State
Iowa
Country
United States
Coordinates
41.0487, -94.8231 — precision precise (locality)
View on OpenStreetMap
Population
46 (ZCTA, ACS 5-year)
Population density
92 / sq mi
Land area
0.5 sq mi (1.3 km²) (ZCTA, ACS 5-year)
Per-capita income
$25,407
Median age
68.5
Households
28
Housing units
39
Congressional district
IA-3 (119th Congress)
USDA hardiness zone
5b (-15 to -10 °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
641 (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.

Climate — monthly normals

Warmest month Jul (avg high 85°F), coldest Jan (avg low 12°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F313749617181858376644936
Avg low °F121627374959646152402718
Precip in0.81.22.13.45.25.24.03.83.52.81.91.4

NOAA 1991–2020 climate normals from the nearest station: CORNING (5.3 mi) · NOAA NCEI

Places in ZIP 50839

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