ZIP Code 77470
Rock Island · Colorado, Texas
77470 is the ZIP code of Rock Island in Colorado, Texas, United States.
- ZIP Code
- 77470
- County
- Colorado
- State
- Texas
- Country
- United States
Place with ZIP code 77470
| Place | County | Location |
|---|---|---|
| Rock Island | Colorado | 29.531, -96.575 |
Near Houston
The nearest major city is Houston, about 120 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 77470?
Rock Island.
Which county and state is 77470 in?
Colorado, Texas, United States.
What is the nearest major city to 77470?
Houston, about 120 km away.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.