ZIP Code 43040

43040 is one of Ohio's ZIP codes, delivering to addresses in Marysville, Union County.

City: Marysville
County: Union County
State: Ohio
Prefix: 430xx

Where this code sits

43040 is part of the 430xx range, the group of codes handled by one mail processing centre. Marysville is served by 2 ZIP codes in total; the full list, with the county each falls in, is on the Marysville page.

Marysville Ohio ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 43040 delivers to without sharing its boundary.

ZIP codes nearest 43040

The ZIP codes whose reference points sit closest to 43040.
ZIP code	Distance	Delivers to
ZIP code 43041	0.8 mi	Marysville, OH
ZIP code 43045	6.0 mi	Milford Center, OH
ZIP code 43007	7.0 mi	Broadway, OH
ZIP code 43077	7.8 mi	Unionville Center, OH
ZIP code 43067	8.3 mi	Raymond, OH
ZIP code 43061	8.9 mi	Ostrander, OH
ZIP code 43036	8.9 mi	Magnetic Springs, OH
ZIP code 43029	9.7 mi	Irwin, 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 43040, plotted from its record coordinates.

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

Scope ZIP code 43040. 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.