ZIP Code 45643

45643 is one of Ohio's ZIP codes, delivering to addresses in Kerr, Gallia County.

City: Kerr
County: Gallia County
State: Ohio
Prefix: 456xx

Where this code sits

45643 is part of the 456xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Kerr.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 45643 delivers to without sharing its boundary.

ZIP codes nearest 45643

The ZIP codes whose reference points sit closest to 45643.
ZIP code	Distance	Delivers to
ZIP code 45631	4.0 mi	Gallipolis, OH
ZIP code 45614	4.2 mi	Bidwell, OH
ZIP code 45674	6.6 mi	Rio Grande, OH
ZIP code 25106	7.1 mi	Henderson, WV
ZIP code 25550	7.7 mi	Point Pleasant, WV
ZIP code 45685	8.1 mi	Thurman, OH
ZIP code 25515	9.0 mi	Gallipolis Ferry, WV
ZIP code 45686	9.3 mi	Vinton, 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 45643, plotted from its record coordinates.

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

Scope ZIP code 45643. 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.