In which county is ZIP code 78543 located?

ZIP 78543 is listed under Hidalgo County, TX.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 78543: Elsa, TX

ZIP: 78543

County: Hidalgo County

Coordinates: 26.29740, -97.98840

ZIP Type: Standard

Time Zone: Central Time (CT)

This profile provides an in-depth look at ZIP code 78543, serving Elsa in TX. It lies in Hidalgo County and supports delivery, planning, and address verification.

Primary City	Elsa
ZIP Code	78543
County	Hidalgo County
State	TX
Latitude / Longitude	26.29740, -97.98840
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 78543 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 78543 are listed as 26.29740 / -97.98840, useful for GPS and service checks in and around Elsa, TX.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 78543 for mail delivery and general location reference in Hidalgo County, TX.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Elsa within TX.

Frequently Asked Questions

What is the primary city for ZIP code 78543?

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

In which county is 78543 located?

ZIP code 78543 is situated within Hidalgo County, TX.

What are the coordinates for 78543?

The approximate center point is 26.29740 (Latitude) and -97.98840 (Longitude).

Is ZIP code 78543 active?

This page lists ZIP 78543 as Listed based on the latest refresh date shown above.

Does ZIP 78543 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