ZIP Code 45115

45115 is one of Ohio's ZIP codes, delivering to addresses in Decatur, Brown County.

City: Decatur
County: Brown County
State: Ohio
Prefix: 451xx

Where this code sits

45115 is part of the 451xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Decatur.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 45115 delivers to without sharing its boundary.

ZIP codes nearest 45115

The ZIP codes whose reference points sit closest to 45115.
ZIP code	Distance	Delivers to
ZIP code 45168	3.9 mi	Russellville, OH
ZIP code 45618	6.3 mi	Cherry Fork, OH
ZIP code 45105	6.9 mi	Bentonville, OH
ZIP code 45697	7.9 mi	Winchester, OH
ZIP code 45167	8.2 mi	Ripley, OH
ZIP code 45693	9.1 mi	West Union, OH
ZIP code 45144	9.7 mi	Manchester, OH
ZIP code 45101	11 mi	Aberdeen, 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 45115, plotted from its record coordinates.

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

Scope ZIP code 45115. 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.