In which county is ZIP code 78537 located?

ZIP 78537 is listed under Hidalgo County, TX.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 78537: Donna, TX

ZIP: 78537

County: Hidalgo County

Coordinates: 26.16710, -98.05290

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Donna, TX postal area 78537. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Donna
ZIP Code	78537
County	Hidalgo County
State	TX
Latitude / Longitude	26.16710, -98.05290
ZIP Type	Standard
Time Zone	Central Time (CT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 78537 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 78537 are listed as 26.16710 / -98.05290, useful for GPS and service checks in and around Donna, TX.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 78537 for mail delivery and general location reference in Hidalgo County, TX.

Some addresses near Donna may share this ZIP due to delivery routing and local service areas.

Related ZIP Codes (Nearby)

Explore other postal codes near Donna within TX.

Frequently Asked Questions

What is the primary city for ZIP code 78537?

The primary city for this ZIP code is Donna, located in TX.

In which county is 78537 located?

ZIP code 78537 is situated within Hidalgo County, TX.

What are the coordinates for 78537?

The approximate center point is 26.16710 (Latitude) and -98.05290 (Longitude).

Is ZIP code 78537 active?

This page lists ZIP 78537 as Listed based on the latest refresh date shown above.

Does ZIP 78537 cover multiple areas?

Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.

Methodology & Data Notes

How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.

Page updated: 2026-01-08