Franklin County ZIP Codes

Franklin County is a county of Missouri.

ZIP codes
19
Cities & towns
19
Area codes
5
Land area
923 sq mi

Every ZIP code in Franklin County

630xx
The complete list of Franklin County, MO ZIP codes with the city each one delivers to.
ZIP codeCity
63013Beaufort
63014Berger
63015Catawissa
63037Gerald
63039Gray Summit
63055Labadie
63056Leslie
63060Lonedell
63061Luebbering
63068New Haven
63069Pacific
63072Robertsville
63073Saint Albans
63077Saint Clair
63079Stanton
63080Sullivan
63084Union
63089Villa Ridge
63090Washington

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 11 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 . The outline is a convex envelope of ZIP reference points, not a jurisdiction boundary.