Preble County ZIP Codes

Preble County is a county of Ohio.

ZIP codes: 10
Cities & towns: 10
Area codes: 4
Land area: 424 sq mi

Every ZIP code in Preble County

450xx–453xx

The complete list of Preble County, OH ZIP codes with the city each one delivers to.
ZIP code	City
45070	West Elkton
45311	Camden
45320	Eaton
45321	Eldorado
45330	Gratis
45338	Lewisburg
45347	New Paris
45378	Verona
45381	West Alexandria
45382	West Manchester

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Preble County

Area codes covering Preble County

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

Where Preble County's ZIP codes sit

Each point is the reference point of one Preble 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 Preble 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.