In which county is ZIP code 78516 located?

ZIP 78516 is listed under Hidalgo County, TX.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 78516: Alamo, TX

ZIP: 78516

County: Hidalgo County

Coordinates: 26.19060, -98.11640

ZIP Type: Standard

Time Zone: Central Time (CT)

Explore detailed information for ZIP code 78516 in Alamo, TX. We include verified county details for Hidalgo County plus key geographic references used for mapping and logistics.

Primary City	Alamo
ZIP Code	78516
County	Hidalgo County
State	TX
Latitude / Longitude	26.19060, -98.11640
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 78516 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 78516 is commonly represented around 26.19060, -98.11640. These coordinates help identify the general area within Hidalgo County, TX.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 78516 for mail delivery and general location reference in Hidalgo County, TX.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Alamo within TX.

Frequently Asked Questions

What is the primary city for ZIP code 78516?

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

In which county is 78516 located?

ZIP code 78516 is situated within Hidalgo County, TX.

What are the coordinates for 78516?

The approximate center point is 26.19060 (Latitude) and -98.11640 (Longitude).

Is ZIP code 78516 active?

This page lists ZIP 78516 as Listed based on the latest refresh date shown above.

Does ZIP 78516 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