Haddam, CT
ZIP Codes in Haddam, Connecticut
December 19, 2025
| ZIP Code | Population | Coordinates |
|---|---|---|
| 06438 | 3,079 | 41.4508, -72.5099 |
Haddam has 1 ZIP code
ZIP Codes in Haddam, Connecticut
December 19, 2025
| ZIP Code | Population | Coordinates |
|---|---|---|
| 06438 | 3,079 | 41.4508, -72.5099 |