Shelter Island Heights US Post Office

6 Grand Avenue
Shelter Island Heights, NY 11965
Phone: (631) 749-0486
Fax: (516) 766-5845
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Baldwin US Post Office

2260 Grand Avenue
Baldwin - 11510
(516) 223-5024

Center Moriches US Post Office

35 Railroad Avenue
Center Moriches - 11934
(631) 878-0953

East Islip US Post Office

11 Greenwood Avenue
East Islip - 11730
(631) 581-7807

Freeport US Post Office

132 W Merrick Road
Freeport - 11520
(516) 378-6512

Glen Head US Post Office

240 Glen Head Road # 1
Glen Head - 11545
(516) 676-8465

Great River US Post Office

62 River Road
Great River - 11739
(631) 581-7680

Islip Terrace US Post Office

136 Carleton Avenue
Islip Terrace - 11752
(631) 581-7894

Port Jefferson US Post Office

407 E Main St # 17
Port Jefferson - 11777
(631) 473-1065

Speonk US Post Office

323 Montauk Highway
Speonk - 11972
(631) 325-1741

Westbury US Post Office

360 Maple Avenue
Westbury - 11590
(516) 333-3598