St. Charles Parish ZIP Codes

St. Charles Parish is a parish of Louisiana.

ZIP codes: 10
Cities & towns: 10
Area codes: 2
Land area: 278 sq mi

Every ZIP code in St. Charles Parish

700xx

The complete list of St. Charles Parish, LA ZIP codes with the city each one delivers to.
ZIP code	City
70030	Des Allemands
70031	Ama
70039	Boutte
70047	Destrehan
70057	Hahnville
70070	Luling
70078	New Sarpy
70079	Norco
70080	Paradis
70087	Saint Rose

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Area codes covering St. Charles Parish

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

Where St. Charles Parish's ZIP codes sit

Each point is the reference point of one St. Charles Parish 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. Charles Parish. 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.