ZIP Code 43342

43342 is one of Ohio's ZIP codes, delivering to addresses in Prospect, Marion County.

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

Where this code sits

43342 is part of the 433xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Prospect.

Prospect Ohio ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 43342 delivers to without sharing its boundary.

ZIP codes nearest 43342

The ZIP codes whose reference points sit closest to 43342.
ZIP code	Distance	Delivers to
ZIP code 43322	4.4 mi	Green Camp, OH
ZIP code 43066	5.6 mi	Radnor, OH
ZIP code 43356	5.6 mi	Waldo, OH
ZIP code 43344	7.6 mi	Richwood, OH
ZIP code 43302	8.3 mi	Marion, OH
ZIP code 43036	9.5 mi	Magnetic Springs, OH
ZIP code 43301	11 mi	Marion, OH
ZIP code 43341	12 mi	New Bloomington, 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 43342, plotted from its record coordinates.

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

Scope ZIP code 43342. 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.