Harrison Ohio ZIP Codes

Harrison holds a single ZIP code.

Every ZIP code in Harrison

The complete list of Harrison, Ohio ZIP codes with the county each falls in.
ZIP code	County
45030	Hamilton County

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Harrison codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Harrison. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.

How these codes cluster

Every Harrison ZIP code begins 450. Those first three digits identify the sectional center facility that processes mail for this part of Ohio. Statewide that range covers 39 ZIP codes, so Harrison accounts for 3% of it.

Every Ohio ZIP prefix and the region it covers →

Area codes covering Harrison

ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The codes below serve the same ground Harrison occupies.

Harrison Ohio area codes in full →

Where Harrison's ZIP codes sit

Each point is one Harrison ZIP code, plotted from its record coordinates.

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

Cities near Harrison

The closest places to Harrison with their own ZIP code list, nearest first.
City	Distance	ZIP codes
Cleves Ohio ZIP codes	6.8 mi	1 ZIP code
North Bend Ohio ZIP codes	7.9 mi	1 ZIP code
Shawnee Ohio ZIP codes	8.1 mi	1 ZIP code
Addyston Ohio ZIP codes	9.1 mi	1 ZIP code
Fairfield Ohio ZIP codes	14 mi	2 ZIP codes
Hamilton Ohio ZIP codes	15 mi	4 ZIP codes
Cincinnati Ohio ZIP codes	17 mi	71 ZIP codes
Oxford Ohio ZIP codes	17 mi	1 ZIP code

Straight-line distance between place reference points, not driving distance.