ZIP code · Callender · Iowa · United States

ZIP code 50523 — Callender

ZIP code 50523 serves Callender, Iowa.

Postal code
50523
Single source Value from one source, not cross-checked.
City
Callender
County
Webster FIPS 19187
State
Iowa
Country
United States
Coordinates
42.3494, -94.2820 — precision precise (locality)
View on OpenStreetMap
Population
614 (ZCTA, ACS 5-year)
Population density
15 / sq mi
Land area
42.1 sq mi (108.9 km²) (ZCTA, ACS 5-year)
Median household income
$83,333
Per-capita income
$36,324
Median age
43.1
Households
240
Housing units
258
Median home value
$137,900
Median gross rent
$404 / month
Congressional district
IA-4 (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/Chicago (UTC−6 / UTC−5 DST)
Area code
515
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 83°F), coldest Jan (avg low 7°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F263144597080838074614531
Avg low °F71224354858626051382514
Precip in0.91.22.03.74.65.54.24.32.82.51.91.5

NOAA 1991–2020 climate normals from the nearest station: FT DODGE 5NNW (16.7 mi) · NOAA NCEI

Places in ZIP 50523

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