ZIP Code 43301

43301 is one of Ohio's ZIP codes, delivering to addresses in Marion, Marion County.

City: Marion
County: Marion County
State: Ohio
Prefix: 433xx

Where this code sits

43301 is part of the 433xx range, the group of codes handled by one mail processing centre. Marion is served by 2 ZIP codes in total; the full list, with the county each falls in, is on the Marion page.

Marion Ohio ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 43301 delivers to without sharing its boundary.

ZIP codes nearest 43301

The ZIP codes whose reference points sit closest to 43301.
ZIP code	Distance	Delivers to
ZIP code 43302	3.6 mi	Marion, OH
ZIP code 43314	4.1 mi	Caledonia, OH
ZIP code 43337	8.9 mi	Morral, OH
ZIP code 43320	8.9 mi	Edison, OH
ZIP code 43335	9.1 mi	Martel, OH
ZIP code 43322	9.3 mi	Green Camp, OH
ZIP code 43315	10 mi	Cardington, OH
ZIP code 43356	11 mi	Waldo, OH

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 43301, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 43301. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.