ZIP Code 45030

45030 is one of Ohio's ZIP codes, delivering to addresses in Harrison, Hamilton County.

City: Harrison
County: Hamilton County
State: Ohio
Prefix: 450xx

Where this code sits

45030 is part of the 450xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Harrison.

Harrison Ohio ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 45030 delivers to without sharing its boundary.

ZIP codes nearest 45030

The ZIP codes whose reference points sit closest to 45030.
ZIP code	Distance	Delivers to
ZIP code 45041	5.2 mi	Miamitown, OH
ZIP code 45002	5.2 mi	Cleves, OH
ZIP code 45033	5.8 mi	Hooven, OH
ZIP code 47060	5.9 mi	West Harrison, IN
ZIP code 45063	6.0 mi	Shandon, OH
ZIP code 45053	6.5 mi	Okeana, OH
ZIP code 47035	7.2 mi	New Trenton, IN
ZIP code 45052	7.9 mi	North Bend, 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 45030, plotted from its record coordinates.

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

Scope ZIP code 45030. 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.