Franklin County ZIP Codes

Franklin County is a county of Indiana.

ZIP codes: 8
Cities & towns: 8
Area codes: 3
Land area: 384 sq mi

Every ZIP code in Franklin County

470xx

The complete list of Franklin County, IN ZIP codes with the city each one delivers to.
ZIP code	City
47003	West College Corner
47010	Bath
47012	Brookville
47016	Cedar Grove
47024	Laurel
47030	Metamora
47035	New Trenton
47036	Oldenburg

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Franklin County

A further 3 places in Franklin County appear in the postal source without a page of its own; their codes are in the table above and each one links to its own page.

Area codes covering Franklin County

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

Where Franklin County's ZIP codes sit

Each point is the reference point of one Franklin 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 Franklin 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.