Knox County ZIP Codes

Knox County is a county of Indiana.

ZIP codes
12
Cities & towns
12
Area codes
2
Land area
516 sq mi

Every ZIP code in Knox County

475xx
The complete list of Knox County, IN ZIP codes with the city each one delivers to.
ZIP codeCity
47512Bicknell
47516Bruceville
47524Decker
47528Edwardsport
47535Freelandville
47557Monroe City
47561Oaktown
47573Ragsdale
47578Sandborn
47591Vincennes
47596Westphalia
47597Wheatland

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Knox County

A further 3 places in Knox 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 Knox County

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

Where Knox County's ZIP codes sit

Each point is the reference point of one Knox 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 Knox 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 . The outline is a convex envelope of ZIP reference points, not a jurisdiction boundary.