ZIP Code 77470: Rock Island, TX
County: Colorado
Coordinates: 29.53110, -96.57520
ZIP Type: Standard
Time Zone: Central Time (CT)
This profile provides an in-depth look at ZIP code 77470, serving Rock Island in TX. It lies in Colorado and supports delivery, planning, and address verification.
| Primary City | Rock Island |
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| ZIP Code | 77470 |
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| County | Colorado |
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| State | TX |
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| Latitude / Longitude | 29.53110, -96.57520 |
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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 77470 (not an exact boundary).
Geographic & Administrative Context
The geographic center of ZIP code 77470 is approximately 29.53110 (latitude) and -96.57520 (longitude). This location sits within Colorado, contributing to regional planning across TX.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 77470 for mail delivery and general location reference in
Colorado,
TX.
Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Rock Island.
Related ZIP Codes (Nearby)
Explore other postal codes near Rock Island within TX.
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Frequently Asked Questions
What is the primary city for ZIP code 77470?
The primary city for this ZIP code is Rock Island, located in TX.
In which county is 77470 located?
ZIP code 77470 is situated within Colorado, TX.
What are the coordinates for 77470?
The approximate center point is 29.53110 (Latitude) and -96.57520 (Longitude).
Is ZIP code 77470 active?
This page lists ZIP 77470 as Listed based on the latest refresh date shown above.
Does ZIP 77470 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