ZIP Code 78589: San Juan, TX
County: Hidalgo County
Coordinates: 26.20440, -98.15370
ZIP Type: Standard
Time Zone: Central Time (CT)
This profile provides an in-depth look at ZIP code 78589, serving San Juan in TX. It lies in Hidalgo County and supports delivery, planning, and address verification.
| Primary City | San Juan |
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| ZIP Code | 78589 |
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| County | Hidalgo County |
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| State | TX |
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| Latitude / Longitude | 26.20440, -98.15370 |
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| ZIP Type | Standard |
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| Time Zone | Central Time (CT) |
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| Data Updated | 2026-01-08 |
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Maps & Useful Links
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These links show the approximate center point for ZIP 78589 (not an exact boundary).
Geographic & Administrative Context
Coordinates for 78589 are listed as 26.20440 / -98.15370, useful for GPS and service checks in and around San Juan, TX.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 78589 for mail delivery and general location reference in
Hidalgo County,
TX.
Some addresses near San Juan may share this ZIP due to delivery routing and local service areas.
Related ZIP Codes (Nearby)
Explore other postal codes near San Juan within TX.
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Frequently Asked Questions
What is the primary city for ZIP code 78589?
The primary city for this ZIP code is San Juan, located in TX.
In which county is 78589 located?
ZIP code 78589 is situated within Hidalgo County, TX.
What are the coordinates for 78589?
The approximate center point is 26.20440 (Latitude) and -98.15370 (Longitude).
Is ZIP code 78589 active?
This page lists ZIP 78589 as Listed based on the latest refresh date shown above.
Does ZIP 78589 cover multiple areas?
Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.
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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