In which county is ZIP code 78558 located?

ZIP 78558 is listed under Hidalgo County, TX.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 78558: La Blanca, TX

ZIP: 78558

County: Hidalgo County

Coordinates: 26.31250, -98.03350

ZIP Type: Standard

Time Zone: Central Time (CT)

Explore detailed information for ZIP code 78558 in La Blanca, TX. We include verified county details for Hidalgo County plus key geographic references used for mapping and logistics.

Primary City	La Blanca
ZIP Code	78558
County	Hidalgo County
State	TX
Latitude / Longitude	26.31250, -98.03350
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 78558 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 78558 are listed as 26.31250 / -98.03350, useful for GPS and service checks in and around La Blanca, TX.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 78558 for mail delivery and general location reference in Hidalgo County, TX.

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

Related ZIP Codes (Nearby)

Explore other postal codes near La Blanca within TX.

Frequently Asked Questions

What is the primary city for ZIP code 78558?

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

In which county is 78558 located?

ZIP code 78558 is situated within Hidalgo County, TX.

What are the coordinates for 78558?

The approximate center point is 26.31250 (Latitude) and -98.03350 (Longitude).

Is ZIP code 78558 active?

This page lists ZIP 78558 as Listed based on the latest refresh date shown above.

Does ZIP 78558 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