In which county is ZIP code 78550 located?

ZIP 78550 is listed under Cameron, TX.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 78550: Harlingen, TX

ZIP: 78550

County: Cameron

Coordinates: 26.19510, -97.68900

ZIP Type: Standard

Time Zone: Central Time (CT)

Explore detailed information for ZIP code 78550 in Harlingen, TX. We include verified county details for Cameron plus key geographic references used for mapping and logistics.

Primary City	Harlingen
ZIP Code	78550
County	Cameron
State	TX
Latitude / Longitude	26.19510, -97.68900
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 78550 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 78550 is commonly represented around 26.19510, -97.68900. These coordinates help identify the general area within Cameron, TX.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 78550 for mail delivery and general location reference in Cameron, TX.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Harlingen within TX.

Frequently Asked Questions

What is the primary city for ZIP code 78550?

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

In which county is 78550 located?

ZIP code 78550 is situated within Cameron, TX.

What are the coordinates for 78550?

The approximate center point is 26.19510 (Latitude) and -97.68900 (Longitude).

Is ZIP code 78550 active?

This page lists ZIP 78550 as Listed based on the latest refresh date shown above.

Does ZIP 78550 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