USPS - Postal Service in Haddam - Locations & Hours
| Name | Address | Phone | |
|---|---|---|---|
| USPS - Post Office - Haddam | 503 Main St | 785-778-3331 | |
| USPS Mail Collection/Drop Box - 503 Main St | 503 Main St | ||
| Name | Address | Phone | |
|---|---|---|---|
| USPS - Post Office - Haddam | 503 Main St | 785-778-3331 | |
| USPS Mail Collection/Drop Box - 503 Main St | 503 Main St | ||