USPS - Postal Service in Yaphank - Locations & Hours
| Name | Address | Phone | |
|---|---|---|---|
| USPS - Post Office - Yaphank | 5 E Main St | 631-345-6829 | |
| USPS Mail Collection/Drop Box - 1 Clubhouse Rd | 1 Clubhouse Rd | ||
| USPS Mail Collection/Drop Box - 5 E Main St | 5 E Main St | ||
| USPS Mail Collection/Drop Box - 5 Main St | 5 Main St | ||