ZIP code · Marion · Ohio · United States

ZIP code 43301 — Marion

ZIP code 43301 serves Marion, Ohio.

Postal code: 43301
Single source Value from one source, not cross-checked.
City: Marion
County: Marion
State: Ohio
Country: United States
Coordinates: 40.6166, -83.0693 — precision precise (locality)
View on OpenStreetMap
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/New_York (UTC−5 / UTC−4 DST)
Area codes: 740, 220
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 43301 with another ZIP · ZIPs within 25 miles · distance from 43301

Climate — monthly normals

Warmest month Jul (avg high 84°F), coldest Jan (avg low 19°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	34	37	48	61	72	80	84	82	76	64	50	39
Avg low °F	19	21	29	39	50	60	62	61	53	43	33	25
Precip in	2.4	2.0	2.6	3.9	4.0	4.2	3.4	3.2	3.5	2.8	2.9	2.6

NOAA 1991–2020 climate normals from the nearest station: MARION MUNI AP (0.3 mi) · NOAA NCEI

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 · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page