St. Lucie County ZIP Codes

St. Lucie County is a county of Florida.

ZIP codes: 19
Cities & towns: 2
Area codes: 1
Land area: 572 sq mi

Every ZIP code in St. Lucie County

349xx

The complete list of St. Lucie County, FL ZIP codes with the city each one delivers to.
ZIP code	City
34945	Fort Pierce
34946	Fort Pierce
34947	Fort Pierce
34948	Fort Pierce
34949	Fort Pierce
34950	Fort Pierce
34951	Fort Pierce
34952	Port Saint Lucie
34953	Port Saint Lucie
34954	Fort Pierce
34979	Fort Pierce
34981	Fort Pierce
34982	Fort Pierce
34983	Port Saint Lucie
34984	Port Saint Lucie
34985	Port Saint Lucie
34986	Port Saint Lucie
34987	Port Saint Lucie
34988	Port Saint Lucie

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in St. Lucie County

A further 1 place in St. Lucie County appears in the postal source without a page of its own; its codes are in the table above and each one links to its own page.

Area codes covering St. Lucie County

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

772 Area code 772

Where St. Lucie County's ZIP codes sit

Each point is the reference point of one St. Lucie 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 St. Lucie 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.