Farmingdale US Post Office

380 Main St
Farmingdale, NY 11735
Phone: (516) 249-1552
Fax: (516) 249-5231
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Melville US Post Office

718 Walt Whitman Road
Melville - 11747
(631) 421-0726

Locust US Post Office

115 Forest Avenue
Locust Valley - 11560
(516) 671-1559

Shirely US Post Office

800 Montauk Highway # 1
Shirley - 11967
(631) 281-0479

West Islip US Post Office

480 Union Blvd
West Islip - 11795
(631) 669-5157

Islandia US Post Office

PO Box 7800
Islandia - 11760
(631) 582-7420

Fair Harbor US Post Office

100 Bay Walk
Fair Harbor - 11706
(631) 583-7080

Brightwaters US Post Office

145 Orinoco Dr
Brightwaters - 11718
(631) 206-4855

Jamesport US Post Office

70 2nd St
South Jamesport - 11970
(631) 722-4317

Hampton US Post Office

16 Ponquogue Avenue
Hampton Bays - 11946
(631) 728-6994

Centereach US Post Office

245 Centereach Mall
Centereach - 11720
(631) 588-7069