ZIP Code 45721

45721 is one of Ohio's ZIP codes, delivering to addresses in Coal Run, Washington County.

City: Coal Run
County: Washington County
State: Ohio
Prefix: 457xx

Where this code sits

45721 is part of the 457xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Coal Run.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 45721 delivers to without sharing its boundary.

ZIP codes nearest 45721

The ZIP codes whose reference points sit closest to 45721.
ZIP code	Distance	Delivers to
ZIP code 45715	2.9 mi	Beverly, OH
ZIP code 45744	3.8 mi	Lowell, OH
ZIP code 45786	5.3 mi	Waterford, OH
ZIP code 45787	7.6 mi	Watertown, OH
ZIP code 45746	8.0 mi	Macksburg, OH
ZIP code 45727	8.4 mi	Dexter City, OH
ZIP code 45745	9.8 mi	Lower Salem, OH
ZIP code 45729	11 mi	Fleming, 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 45721, plotted from its record coordinates.

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

Scope ZIP code 45721. 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.