2. United States ZIP Code
  3. Texas
  4. Rock Island
  5. 77470

ZIP Code 77470

  • Zip Code: 77470
  • Type: Standard
  • Official USPS city name: Rock Island
  • Official USPS State Code: TX
  • Official State Name: Texas
  • ZCTA: TRUE
  • Population: 374.0
  • Density: 5.1
  • Primary Official County Code: 48089
  • Primary Official County Name: Colorado
  • Official County Name: Colorado
  • Official County Code: 48089
  • Imprecise: FALSE
  • Military: FALSE
  • Timezone: America/Chicago (17:16 PM Monday, July 07 2025-07-07 (GMT -0500))
  • Geo Point: 29.53214, -96.55145


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