Haddam zipcode
| City | Haddam |
| ZIP Code | 06438 |
| Type | Standard |
| State Code | CT |
| State | Connecticut |
ZIP code of Haddam is 06438. This place is located in Connecticut state in US. To send any postal service to Haddam, you must use 06438 zipcode.
| City | Haddam |
| ZIP Code | 06438 |
| Type | Standard |
| State Code | CT |
| State | Connecticut |
ZIP code of Haddam is 06438. This place is located in Connecticut state in US. To send any postal service to Haddam, you must use 06438 zipcode.
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