Old Greenwich, CT ZIP Codes
1
Total ZIPs
7,316
Total Population
ZIP Codes in Old Greenwich, CT
| ZIP Code | Population | Density | Timezone |
|---|---|---|---|
| 06870 | 7,316 | 1,231 | America/New_York |
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.