Old Greenwich, CT
ZIP Codes in Old Greenwich, Connecticut
December 19, 2025
| ZIP Code | Population | Coordinates |
|---|---|---|
| 06870 | 8,096 | 41.0244, -73.5712 |
Old Greenwich has 1 ZIP code
ZIP Codes in Old Greenwich, Connecticut
December 19, 2025
| ZIP Code | Population | Coordinates |
|---|---|---|
| 06870 | 8,096 | 41.0244, -73.5712 |