ZIP Code 45628

45628 is one of Ohio's ZIP codes, delivering to addresses in Frankfort, Ross County.

City: Frankfort
County: Ross County
State: Ohio
Prefix: 456xx

Where this code sits

45628 is part of the 456xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Frankfort.

Frankfort Ohio ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 45628 delivers to without sharing its boundary.

ZIP codes nearest 45628

The ZIP codes whose reference points sit closest to 45628.
ZIP code	Distance	Delivers to
ZIP code 45681	7.2 mi	South Salem, OH
ZIP code 43115	7.3 mi	Clarksburg, OH
ZIP code 45617	8.0 mi	Bourneville, OH
ZIP code 45123	10 mi	Greenfield, OH
ZIP code 43145	12 mi	New Holland, OH
ZIP code 45601	12 mi	Chillicothe, OH
ZIP code 45612	13 mi	Bainbridge, OH
ZIP code 43164	16 mi	Williamsport, 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 45628, plotted from its record coordinates.

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

Scope ZIP code 45628. 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.