In which county is ZIP code 78599 located?

ZIP 78599 is listed under Hidalgo County, TX.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 78599: Weslaco, TX

ZIP: 78599

County: Hidalgo County

Coordinates: 26.15950, -97.99080

ZIP Type: Standard

Time Zone: Central Time (CT)

This profile provides an in-depth look at ZIP code 78599, serving Weslaco in TX. It lies in Hidalgo County and supports delivery, planning, and address verification.

Primary City	Weslaco
ZIP Code	78599
County	Hidalgo County
State	TX
Latitude / Longitude	26.15950, -97.99080
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 78599 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 78599 are listed as 26.15950 / -97.99080, useful for GPS and service checks in and around Weslaco, TX.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 78599 for mail delivery and general location reference in Hidalgo County, TX.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Weslaco within TX.

Frequently Asked Questions

What is the primary city for ZIP code 78599?

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

In which county is 78599 located?

ZIP code 78599 is situated within Hidalgo County, TX.

What are the coordinates for 78599?

The approximate center point is 26.15950 (Latitude) and -97.99080 (Longitude).

Is ZIP code 78599 active?

This page lists ZIP 78599 as Listed based on the latest refresh date shown above.

Does ZIP 78599 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