ZIP Code 78574: Mission, TX
County: Willacy County
Coordinates: 26.31890, -98.37010
ZIP Type: Standard
Time Zone: Central Time (CT)
This profile provides an in-depth look at ZIP code 78574, serving Mission in TX. It lies in Willacy County and supports delivery, planning, and address verification.
| Primary City | Mission |
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| ZIP Code | 78574 |
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| County | Willacy County |
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| State | TX |
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| Latitude / Longitude | 26.31890, -98.37010 |
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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 78574 (not an exact boundary).
Geographic & Administrative Context
For mapping and verification, 78574 is commonly represented around 26.31890, -98.37010. These coordinates help identify the general area within Willacy County, TX.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 78574 for mail delivery and general location reference in
Willacy County,
TX.
This ZIP may extend beyond the city core into nearby communities within Willacy County.
Related ZIP Codes (Nearby)
Explore other postal codes near Mission within TX.
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Frequently Asked Questions
What is the primary city for ZIP code 78574?
The primary city for this ZIP code is Mission, located in TX.
In which county is 78574 located?
ZIP code 78574 is situated within Willacy County, TX.
What are the coordinates for 78574?
The approximate center point is 26.31890 (Latitude) and -98.37010 (Longitude).
Is ZIP code 78574 active?
This page lists ZIP 78574 as Listed based on the latest refresh date shown above.
Does ZIP 78574 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