ZIP Code 45819

45819 is one of Ohio's ZIP codes, delivering to addresses in Buckland, Auglaize County.

City: Buckland
County: Auglaize County
State: Ohio
Prefix: 458xx

Where this code sits

45819 is part of the 458xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Buckland.

Buckland Ohio ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 45819 delivers to without sharing its boundary.

ZIP codes nearest 45819

The ZIP codes whose reference points sit closest to 45819.
ZIP code	Distance	Delivers to
ZIP code 45895	5.8 mi	Wapakoneta, OH
ZIP code 45887	7.0 mi	Spencerville, OH
ZIP code 45806	8.0 mi	Lima, OH
ZIP code 45871	8.7 mi	New Knoxville, OH
ZIP code 45885	9.0 mi	Saint Marys, OH
ZIP code 45888	9.3 mi	Uniopolis, OH
ZIP code 45805	10 mi	Lima, OH
ZIP code 45884	10 mi	Saint Johns, 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 45819, plotted from its record coordinates.

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

Scope ZIP code 45819. 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.