Every ZIP code in Randall County

790xx–791xx

The complete list of Randall County, TX ZIP codes with the city each one delivers to.
ZIP code	City
79015	Canyon
79016	Canyon
79091	Umbarger
79109	Amarillo
79110	Amarillo
79114	Amarillo
79118	Amarillo
79119	Amarillo
79121	Amarillo

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Randall County

A further 1 place in Randall 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 Randall County

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

Where Randall County's ZIP codes sit

Each point is the reference point of one Randall 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 Randall 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.