ZIP Code 78598: Port Mansfield, TX
County: Willacy County
Coordinates: 26.55480, -97.42500
ZIP Type: Standard
Time Zone: Central Time (CT)
Explore detailed information for ZIP code 78598 in Port Mansfield, TX. We include verified county details for Willacy County plus key geographic references used for mapping and logistics.
| Primary City | Port Mansfield |
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| ZIP Code | 78598 |
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| County | Willacy County |
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| State | TX |
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| Latitude / Longitude | 26.55480, -97.42500 |
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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 78598 (not an exact boundary).
Geographic & Administrative Context
The geographic center of ZIP code 78598 is approximately 26.55480 (latitude) and -97.42500 (longitude). This location sits within Willacy County, contributing to regional planning across TX.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 78598 for mail delivery and general location reference in
Willacy County,
TX.
Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Port Mansfield.
Related ZIP Codes (Nearby)
Explore other postal codes near Port Mansfield within TX.
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Frequently Asked Questions
What is the primary city for ZIP code 78598?
The primary city for this ZIP code is Port Mansfield, located in TX.
In which county is 78598 located?
ZIP code 78598 is situated within Willacy County, TX.
What are the coordinates for 78598?
The approximate center point is 26.55480 (Latitude) and -97.42500 (Longitude).
Is ZIP code 78598 active?
This page lists ZIP 78598 as Listed based on the latest refresh date shown above.
Does ZIP 78598 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