Calcasieu Parish ZIP Codes

Calcasieu Parish is a parish of Louisiana.

ZIP codes: 21
Cities & towns: 9
Area codes: 1
Land area: 1,064 sq mi

Every ZIP code in Calcasieu Parish

706xx

The complete list of Calcasieu Parish, LA ZIP codes with the city each one delivers to.
ZIP code	City
70601	Lake Charles
70602	Lake Charles
70605	Lake Charles
70606	Lake Charles
70607	Lake Charles
70609	Lake Charles
70611	Lake Charles
70612	Lake Charles
70615	Lake Charles
70616	Lake Charles
70629	Lake Charles
70630	Bell City
70633	Dequincy
70646	Hayes
70647	Iowa
70661	Starks
70663	Sulphur
70664	Sulphur
70665	Sulphur
70668	Vinton
70669	Westlake

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Calcasieu Parish

A further 3 places in Calcasieu Parish 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 Calcasieu Parish

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

337 Area code 337

Where Calcasieu Parish's ZIP codes sit

Each point is the reference point of one Calcasieu 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 Calcasieu 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.