ZIP Code 45640

45640 is one of Ohio's ZIP codes, delivering to addresses in Jackson, Jackson County.

City: Jackson
County: Jackson County
State: Ohio
Prefix: 456xx

Where this code sits

45640 is part of the 456xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Jackson.

Jackson Ohio ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 45640 delivers to without sharing its boundary.

ZIP codes nearest 45640

The ZIP codes whose reference points sit closest to 45640.
ZIP code	Distance	Delivers to
ZIP code 45621	5.2 mi	Coalton, OH
ZIP code 45692	7.5 mi	Wellston, OH
ZIP code 45656	11 mi	Oak Hill, OH
ZIP code 45613	11 mi	Beaver, OH
ZIP code 45634	11 mi	Hamden, OH
ZIP code 45672	12 mi	Ray, OH
ZIP code 45683	13 mi	Stockdale, OH
ZIP code 45673	14 mi	Richmond Dale, 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 45640, plotted from its record coordinates.

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

Scope ZIP code 45640. 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.