In which county is ZIP code 78566 located?

ZIP 78566 is listed under Cameron, TX.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 78566: Los Fresnos, TX

ZIP: 78566

County: Cameron

Coordinates: 26.11580, -97.41070

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Los Fresnos, TX postal area 78566. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Los Fresnos
ZIP Code	78566
County	Cameron
State	TX
Latitude / Longitude	26.11580, -97.41070
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 78566 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 78566 is commonly represented around 26.11580, -97.41070. These coordinates help identify the general area within Cameron, TX.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 78566 for mail delivery and general location reference in Cameron, TX.

Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Los Fresnos.

Related ZIP Codes (Nearby)

Explore other postal codes near Los Fresnos within TX.

Frequently Asked Questions

What is the primary city for ZIP code 78566?

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

In which county is 78566 located?

ZIP code 78566 is situated within Cameron, TX.

What are the coordinates for 78566?

The approximate center point is 26.11580 (Latitude) and -97.41070 (Longitude).

Is ZIP code 78566 active?

This page lists ZIP 78566 as Listed based on the latest refresh date shown above.

Does ZIP 78566 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