ZIP Code 45623

45623 is one of Ohio's ZIP codes, delivering to addresses in Crown City, Gallia County.

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

Where this code sits

45623 is part of the 456xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Crown City.

Crown City Ohio ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 45623 delivers to without sharing its boundary.

ZIP codes nearest 45623

The ZIP codes whose reference points sit closest to 45623.
ZIP code	Distance	Delivers to
ZIP code 25520	5.0 mi	Glenwood, WV
ZIP code 45678	7.2 mi	Scottown, OH
ZIP code 25503	8.3 mi	Ashton, WV
ZIP code 25502	9.1 mi	Apple Grove, WV
ZIP code 25537	9.6 mi	Lesage, WV
ZIP code 45696	10 mi	Willow Wood, OH
ZIP code 45669	11 mi	Proctorville, OH
ZIP code 25545	11 mi	Ona, WV

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 45623, plotted from its record coordinates.

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

Scope ZIP code 45623. 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.