In which county is ZIP code 78504 located?

ZIP 78504 is listed under Hidalgo County, TX.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 78504: Mcallen, TX

ZIP: 78504

County: Hidalgo County

Coordinates: 26.25560, -98.23030

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Mcallen, TX postal area 78504. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Mcallen
ZIP Code	78504
County	Hidalgo County
State	TX
Latitude / Longitude	26.25560, -98.23030
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 78504 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 78504 is approximately 26.25560 (latitude) and -98.23030 (longitude). This location sits within Hidalgo County, contributing to regional planning across TX.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 78504 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 Mcallen within TX.

Frequently Asked Questions

What is the primary city for ZIP code 78504?

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

In which county is 78504 located?

ZIP code 78504 is situated within Hidalgo County, TX.

What are the coordinates for 78504?

The approximate center point is 26.25560 (Latitude) and -98.23030 (Longitude).

Is ZIP code 78504 active?

This page lists ZIP 78504 as Listed based on the latest refresh date shown above.

Does ZIP 78504 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