Crosby County ZIP Codes

Crosby County is a county of Texas.

ZIP codes: 3
Cities & towns: 3
Area codes: 1
Land area: 900 sq mi

Every ZIP code in Crosby County

793xx

The complete list of Crosby County, TX ZIP codes with the city each one delivers to.
ZIP code	City
79322	Crosbyton
79343	Lorenzo
79357	Ralls

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Crosby County

Area codes covering Crosby County

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

806 Area code 806

Where Crosby County's ZIP codes sit

Each point is the reference point of one Crosby 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 Crosby 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.