ZIP Code 45837

45837 is one of Ohio's ZIP codes, delivering to addresses in Dupont, Putnam County.

City: Dupont
County: Putnam County
State: Ohio
Prefix: 458xx

Where this code sits

45837 is part of the 458xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Dupont.

Dupont Ohio ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 45837 delivers to without sharing its boundary.

ZIP codes nearest 45837

The ZIP codes whose reference points sit closest to 45837.
ZIP code	Distance	Delivers to
ZIP code 45827	1.5 mi	Cloverdale, OH
ZIP code 45873	5.1 mi	Oakwood, OH
ZIP code 45861	6.2 mi	Melrose, OH
ZIP code 45831	6.4 mi	Continental, OH
ZIP code 45853	7.6 mi	Kalida, OH
ZIP code 45876	7.9 mi	Ottoville, OH
ZIP code 45844	8.0 mi	Fort Jennings, OH
ZIP code 45849	9.3 mi	Grover Hill, 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 45837, plotted from its record coordinates.

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

Scope ZIP code 45837. 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.