2. United States ZIP Code
  3. Colorado
  4. Castle Rock
  5. 80109

ZIP Code 80109

  • Zip Code: 80109
  • Type: Standard
  • Official USPS city name: Castle Rock
  • Official USPS State Code: CO
  • Official State Name: Colorado
  • ZCTA: TRUE
  • Population: 23665.0
  • Density: 346.4
  • Primary Official County Code: 8035
  • Primary Official County Name: Douglas
  • Official County Name: Douglas
  • Official County Code: 8035
  • Imprecise: FALSE
  • Military: FALSE
  • Timezone: America/Denver (04:39 AM Saturday, May 03 2025-05-03 (GMT -0600))
  • Geo Point: 39.36426, -104.90136


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