ZIP Code 45164

45164 is one of Ohio's ZIP codes, delivering to addresses in Port William, Clinton County.

City: Port William
County: Clinton County
State: Ohio
Prefix: 451xx

Where this code sits

45164 is part of the 451xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Port William.

Port William Ohio ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 45164 delivers to without sharing its boundary.

ZIP codes nearest 45164

The ZIP codes whose reference points sit closest to 45164.
ZIP code	Distance	Delivers to
ZIP code 45307	3.9 mi	Bowersville, OH
ZIP code 45335	6.6 mi	Jamestown, OH
ZIP code 45177	7.6 mi	Wilmington, OH
ZIP code 45166	7.7 mi	Reesville, OH
ZIP code 45169	8.5 mi	Sabina, OH
ZIP code 43142	11 mi	Milledgeville, OH
ZIP code 45385	12 mi	Xenia, OH
ZIP code 45384	12 mi	Wilberforce, 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 45164, plotted from its record coordinates.

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

Scope ZIP code 45164. 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.