ZIP Code 45230

45230 is one of Ohio's ZIP codes, delivering to addresses in Cincinnati, Hamilton County.

City: Cincinnati
County: Hamilton County
State: Ohio
Prefix: 452xx

Where this code sits

45230 is part of the 452xx range, the group of codes handled by one mail processing centre. Cincinnati is served by 71 ZIP codes in total; the full list, with the county each falls in, is on the Cincinnati page.

Cincinnati Ohio ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 45230 delivers to without sharing its boundary.

ZIP codes nearest 45230

The ZIP codes whose reference points sit closest to 45230.
ZIP code	Distance	Delivers to
ZIP code 45255	2.1 mi	Cincinnati, OH
ZIP code 41085	2.7 mi	Silver Grove, KY
ZIP code 45244	3.6 mi	Cincinnati, OH
ZIP code 41075	4.1 mi	Fort Thomas, KY
ZIP code 45226	4.4 mi	Cincinnati, OH
ZIP code 41059	4.6 mi	Melbourne, KY
ZIP code 41076	4.7 mi	Newport, KY
ZIP code 45245	5.1 mi	Cincinnati, 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 45230, plotted from its record coordinates.

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

Scope ZIP code 45230. 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.