About ZIP code 06423
The ZIP code 06423 routes mail to East Haddam in the Connecticut region of United States. Use it as the postal segment of any address in this area, and confirm unusual addresses with the local postal operator.
United States ยท ZIP code
06423 - East Haddam
ZIP code 06423 is East Haddam in Connecticut, United States.
| ZIP code | 06423 |
| Place | East Haddam |
| Region | Connecticut |
| District | Lower Connecticut River Valley |
| Country | United States (US) |
| Coordinates | 41.4696, -72.4059 (map) |