ZIP Code 45871

45871 is one of Ohio's ZIP codes, delivering to addresses in New Knoxville, Auglaize County.

City: New Knoxville
County: Auglaize County
State: Ohio
Prefix: 458xx

Where this code sits

45871 is part of the 458xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to New Knoxville.

New Knoxville Ohio ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 45871 delivers to without sharing its boundary.

ZIP codes nearest 45871

The ZIP codes whose reference points sit closest to 45871.
ZIP code	Distance	Delivers to
ZIP code 45336	5.0 mi	Kettlersville, OH
ZIP code 45885	5.1 mi	Saint Marys, OH
ZIP code 45869	5.8 mi	New Bremen, OH
ZIP code 45306	7.5 mi	Botkins, OH
ZIP code 45895	8.4 mi	Wapakoneta, OH
ZIP code 45865	8.4 mi	Minster, OH
ZIP code 45302	8.7 mi	Anna, OH
ZIP code 45819	8.7 mi	Buckland, 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 45871, plotted from its record coordinates.

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

Scope ZIP code 45871. 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.