| Post Office Name | US Post Office |
| Address | 36 Main St |
| City | Old Saybrook |
| State | Connecticut |
| Phone Number | (800) 275-8777 |
| Latitude | 41.3026 |
| Longitude | -72.3883 |
6475 US Post Office in Old Saybrook, Connecticut is located at 36 Main St. The Old Saybrook Post Office Number is (800) 275-8777
