Richland Parish ZIP Codes

Richland Parish is a parish of Louisiana.

ZIP codes: 5
Cities & towns: 5
Area codes: 2
Land area: 556 sq mi

Every ZIP code in Richland Parish

712xx

The complete list of Richland Parish, LA ZIP codes with the city each one delivers to.
ZIP code	City
71218	Archibald
71232	Delhi
71259	Mangham
71269	Rayville
71279	Start

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Richland Parish

A further 2 places in Richland 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 Richland Parish

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

Where Richland Parish's ZIP codes sit

Each point is the reference point of one Richland 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 Richland 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.