Old Greenwich, CT zip code
Old Greenwich, Connecticut uses one zip code: 06870. Together these zip codes are home to about 7.9K people.
Zip codes
1
Population
7.9K
All zips combined
Largest zip
06870
7,864 residents
Zip codes in Old Greenwich
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 06870 | 7,864 | $250,000+ |