Hidalgo County ZIP Codes

Hidalgo County is a county of Texas.

ZIP codes: 30
Cities & towns: 21
Area codes: 1
Land area: 1,571 sq mi

Every ZIP code in Hidalgo County

785xx

The complete list of Hidalgo County, TX ZIP codes with the city each one delivers to.
ZIP code	City
78501	Mcallen
78502	Mcallen
78503	Mcallen
78504	Mcallen
78505	Mcallen
78516	Alamo
78537	Donna
78538	Edcouch
78539	Edinburg
78540	Edinburg
78541	Edinburg
78542	Edinburg
78543	Elsa
78549	Hargill
78557	Hidalgo
78558	La Blanca
78560	La Joya
78562	La Villa
78563	Linn
78565	Los Ebanos
78570	Mercedes
78572	Mission
78573	Mission
78576	Penitas
78577	Pharr
78579	Progreso
78589	San Juan
78595	Sullivan City
78596	Weslaco
78599	Weslaco

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Hidalgo County

A further 4 places in Hidalgo County 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 Hidalgo County

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

956 Area code 956

Where Hidalgo County's ZIP codes sit

Each point is the reference point of one Hidalgo 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 Hidalgo 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.