ZIP Code 45840

45840 is one of Ohio's ZIP codes, delivering to addresses in Findlay, Hancock County.

City: Findlay
County: Hancock County
State: Ohio
Prefix: 458xx

Where this code sits

45840 is part of the 458xx range, the group of codes handled by one mail processing centre. Findlay is served by 2 ZIP codes in total; the full list, with the county each falls in, is on the Findlay page.

Findlay Ohio ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 45840 delivers to without sharing its boundary.

ZIP codes nearest 45840

The ZIP codes whose reference points sit closest to 45840.
ZIP code	Distance	Delivers to
ZIP code 45839	0.2 mi	Findlay, OH
ZIP code 45889	6.1 mi	Van Buren, OH
ZIP code 45816	8.2 mi	Benton Ridge, OH
ZIP code 44804	8.8 mi	Arcadia, OH
ZIP code 45881	9.3 mi	Rawson, OH
ZIP code 45858	9.4 mi	Mc Comb, OH
ZIP code 45890	9.8 mi	Vanlue, OH
ZIP code 45872	10 mi	North Baltimore, 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 45840, plotted from its record coordinates.

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

Scope ZIP code 45840. 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.