ZIP Code 78583: Rio Hondo, TX
County: Cameron
Coordinates: 26.23390, -97.55130
ZIP Type: Standard
Time Zone: Central Time (CT)
Get a reliable snapshot of the Rio Hondo, TX postal area 78583. This page summarizes county, coordinates, and local facts to help with services and location research.
| Primary City | Rio Hondo |
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| ZIP Code | 78583 |
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| County | Cameron |
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| State | TX |
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| Latitude / Longitude | 26.23390, -97.55130 |
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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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These links show the approximate center point for ZIP 78583 (not an exact boundary).
Geographic & Administrative Context
The geographic center of ZIP code 78583 is approximately 26.23390 (latitude) and -97.55130 (longitude). This location sits within Cameron, contributing to regional planning across TX.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 78583 for mail delivery and general location reference in
Cameron,
TX.
Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Rio Hondo.
Related ZIP Codes (Nearby)
Explore other postal codes near Rio Hondo within TX.
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Frequently Asked Questions
What is the primary city for ZIP code 78583?
The primary city for this ZIP code is Rio Hondo, located in TX.
In which county is 78583 located?
ZIP code 78583 is situated within Cameron, TX.
What are the coordinates for 78583?
The approximate center point is 26.23390 (Latitude) and -97.55130 (Longitude).
Is ZIP code 78583 active?
This page lists ZIP 78583 as Listed based on the latest refresh date shown above.
Does ZIP 78583 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