New Castle, CO ZIP Codes
1
Total ZIPs
7,104
Total Population
ZIP Codes in New Castle, CO
| ZIP Code | Population | Density | Timezone |
|---|---|---|---|
| 81647 | 7,104 | 8 | America/Denver |
All data sourced from the U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023).
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.