ZIP code · Grissom Arb · Indiana · United States

ZIP code 46971 — Grissom Arb

ZIP code 46971 serves Grissom Arb, Indiana.

Postal code: 46971
Single source Value from one source, not cross-checked.
City: Grissom Arb
County: Miami FIPS 18103
State: Indiana
Country: United States
Coordinates: 40.6683, -86.1378 — precision estimated (postal-area centroid)
View on OpenStreetMap
Population: 0 (ZCTA, ACS 5-year)
Population density: 0 / sq mi
Land area: 0.2 sq mi (0.6 km²) (ZCTA, ACS 5-year)
Households: 0
Housing units: 0
Congressional district: IN-2 (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 code: 765 (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.

Tools: compare 46971 with another ZIP · ZIPs within 25 miles · distance from 46971

Climate — monthly normals

Warmest month Jul (avg high 83°F), coldest Jan (avg low 17°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	32	36	47	60	72	80	83	81	77	64	49	37
Avg low °F	17	20	29	38	50	60	62	60	52	42	32	23
Precip in	2.5	2.3	2.6	3.6	3.9	5.2	5.1	4.0	3.4	3.1	3.1	2.3

NOAA 1991–2020 climate normals from the nearest station: YOUNG AMERICA (13.0 mi) · NOAA NCEI

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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

Map of ZIP code 46971

Climate — monthly normals

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