Northport US Post Office

240 Main St
Northport, NY 11768
Phone: (631) 261-6941
Fax: (516) 437-2896
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Wading River US Post Office

1816 Wading River Manor Road
Wading River - 11792
(631) 929-0219

Old Westbury US Post Office

1 Store Hill Road # A
Old Westbury - 11568
(516) 626-5247

Elmont US Post Office

798 Meacham Avenue
Elmont - 11003
(516) 887-6247

Sayville US Post Office

130 Greene Avenue
Sayville - 11782
(631) 589-6963

Montauk US Post Office

73 S Euclid Avenue
Montauk - 11954
(631) 668-7043

Jamesport US Post Office

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

Fire Island Pines Post Office

Fire Island Pines Marina
Fire Isle Pines - 11782
(631) 597-6300

Fair Harbor US Post Office

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

Islip Terrace US Post Office

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

Uniondale US Post Office

1000 Front St
Uniondale - 11553
(516) 481-8245