In which county is ZIP code 78521 located?

ZIP 78521 is listed under Cameron, TX.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 78521: Brownsville, TX

ZIP: 78521

County: Cameron

Coordinates: 25.92210, -97.46120

ZIP Type: Standard

Time Zone: Central Time (CT)

This profile provides an in-depth look at ZIP code 78521, serving Brownsville in TX. It lies in Cameron and supports delivery, planning, and address verification.

Primary City	Brownsville
ZIP Code	78521
County	Cameron
State	TX
Latitude / Longitude	25.92210, -97.46120
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 78521 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 78521 is commonly represented around 25.92210, -97.46120. These coordinates help identify the general area within Cameron, TX.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 78521 for mail delivery and general location reference in Cameron, TX.

This ZIP may extend beyond the city core into nearby communities within Cameron.

Related ZIP Codes (Nearby)

Explore other postal codes near Brownsville within TX.

Frequently Asked Questions

What is the primary city for ZIP code 78521?

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

In which county is 78521 located?

ZIP code 78521 is situated within Cameron, TX.

What are the coordinates for 78521?

The approximate center point is 25.92210 (Latitude) and -97.46120 (Longitude).

Is ZIP code 78521 active?

This page lists ZIP 78521 as Listed based on the latest refresh date shown above.

Does ZIP 78521 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