ZIP Code 45166

45166 is one of Ohio's ZIP codes, delivering to addresses in Reesville, Clinton County.

City: Reesville
County: Clinton County
State: Ohio
Prefix: 451xx

Where this code sits

45166 is part of the 451xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Reesville.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 45166 delivers to without sharing its boundary.

ZIP codes nearest 45166

The ZIP codes whose reference points sit closest to 45166.
ZIP code	Distance	Delivers to
ZIP code 45169	1.6 mi	Sabina, OH
ZIP code 45307	7.4 mi	Bowersville, OH
ZIP code 45164	7.7 mi	Port William, OH
ZIP code 45177	9.0 mi	Wilmington, OH
ZIP code 43142	9.2 mi	Milledgeville, OH
ZIP code 45159	10 mi	New Vienna, OH
ZIP code 45132	10 mi	Highland, OH
ZIP code 45135	12 mi	Leesburg, 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 45166, plotted from its record coordinates.

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

Scope ZIP code 45166. 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.