Manhasset US Post Office

28 Maple Place
Manhasset, NY 11030
Phone: (516) 627-0536
Fax: (631) 226-5599
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New Suffolk US Post Office

375 1st St
New Suffolk - 11956
(631) 734-6271

West Babylon US Post Office

385 Route 109
West Babylon - 11704
(631) 893-0560

Wyandanch US Post Office

1569 Straight Path
Wyandanch - 11798
(631) 643-3914

St. James US Post Office

325 Lake Avenue
St James - 11780
(631) 584-4138

Sag Harbor US Post Office

21 Long Island Avenue
Sag Harbor - 11963
(631) 725-8968

East Moriches US Post Office

3 Atlantic Avenue
East Moriches - 11940
(631) 878-0243

Westhampton Beach US Post Office

170 Main St
Westhampton Beach - 11978
(631) 288-4093

Cedarhurst US Post Office

124 Grove Avenue
Cedarhurst - 11516
(516) 295-1452

Centerport US Post Office

434 E Main St
Centerport - 11721
(631) 261-6918

Islip Terrace US Post Office

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