ZIP code · Indianapolis · Indiana · United States

ZIP code 46256 — Indianapolis

ZIP code 46256 serves Indianapolis, Indiana.

Postal code
46256
Single source Value from one source, not cross-checked.
City
Indianapolis
County
Marion FIPS 18097
State
Indiana
Country
United States
Coordinates
39.8977, -86.0094 — precision precise (locality)
View on OpenStreetMap
Population
21,785 (ZCTA, ACS 5-year)
Population density
1,954 / sq mi
Land area
11.1 sq mi (28.9 km²) (ZCTA, ACS 5-year)
Median household income
$86,529
Per-capita income
$50,668
Median age
39.2
Households
9,353
Housing units
10,118
Median home value
$277,800
Median gross rent
$1,136 / month
Congressional districts
IN-7 (also IN-5) (119th Congress)
USDA hardiness zone
6a (-10 to -5 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/Indiana/Indianapolis (UTC−5 / UTC−4 DST)
Area codes
317, 463, 765
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 20°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F364151647482858377655240
Avg low °F202332425262656356453425
Precip in3.32.73.94.64.95.64.73.93.63.43.53.2

NOAA 1991–2020 climate normals from the nearest station: CASTLETON 2 S (2.5 mi) · NOAA NCEI

Places in ZIP 46256

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