Richland County ZIP Codes

Richland County is a county of Ohio.

ZIP codes: 14
Cities & towns: 8
Area codes: 4
Land area: 495 sq mi

Every ZIP code in Richland County

448xx–449xx

The complete list of Richland County, OH ZIP codes with the city each one delivers to.
ZIP code	City
44813	Bellville
44822	Butler
44843	Lucas
44862	Ontario
44865	Plymouth
44875	Shelby
44878	Shiloh
44901	Mansfield
44902	Mansfield
44903	Mansfield
44904	Mansfield
44905	Mansfield
44906	Mansfield
44907	Mansfield

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Richland County codes above are listed without a column we would have to invent.

Cities and towns in Richland County

Area codes covering Richland County

Telephone and postal boundaries are drawn by different bodies, so these codes overlap the county without matching its edges.

Where Richland County's ZIP codes sit

Each point is the reference point of one Richland County ZIP code, plotted from its record coordinates. The outline is the convex envelope of those points — a footprint, not a boundary.

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

Scope every ZIP code recorded in Richland County. Source GeoNames US postal codes (2026-07 postal dump), Census 2024 county Gazetteer (2024 Gazetteer) and geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot). Updated 16 July 2026. The outline is a convex envelope of ZIP reference points, not a jurisdiction boundary.