ZIP Code 43050

43050 is one of Ohio's ZIP codes, delivering to addresses in Mount Vernon, Knox County.

City: Mount Vernon
County: Knox County
State: Ohio
Prefix: 430xx

Where this code sits

43050 is part of the 430xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Mount Vernon.

Mount Vernon Ohio ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 43050 delivers to without sharing its boundary.

ZIP codes nearest 43050

The ZIP codes whose reference points sit closest to 43050.
ZIP code	Distance	Delivers to
ZIP code 43022	5.5 mi	Gambier, OH
ZIP code 43048	8.0 mi	Mount Liberty, OH
ZIP code 43028	8.4 mi	Howard, OH
ZIP code 43027	9.3 mi	Homer, OH
ZIP code 43019	9.3 mi	Fredericktown, OH
ZIP code 43080	11 mi	Utica, OH
ZIP code 43037	11 mi	Martinsburg, OH
ZIP code 44822	12 mi	Butler, 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 43050, plotted from its record coordinates.

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

Scope ZIP code 43050. 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.