ZIP Code 45304

45304 is one of Ohio's ZIP codes, delivering to addresses in Arcanum, Darke County.

City: Arcanum
County: Darke County
State: Ohio
Prefix: 453xx

Where this code sits

45304 is part of the 453xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Arcanum.

Arcanum Ohio ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 45304 delivers to without sharing its boundary.

ZIP codes nearest 45304

The ZIP codes whose reference points sit closest to 45304.
ZIP code	Distance	Delivers to
ZIP code 45358	2.4 mi	Pitsburg, OH
ZIP code 45378	6.3 mi	Verona, OH
ZIP code 45361	6.4 mi	Potsdam, OH
ZIP code 45337	7.0 mi	Laura, OH
ZIP code 45382	7.6 mi	West Manchester, OH
ZIP code 45354	8.9 mi	Phillipsburg, OH
ZIP code 45328	8.9 mi	Gettysburg, OH
ZIP code 45331	9.3 mi	Greenville, 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 45304, plotted from its record coordinates.

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

Scope ZIP code 45304. 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.