Hauppauge US Post Office

150 Oser Avenue
Hauppauge, NY 11788
Phone: (631) 231-3155
Fax: (516) 487-2508
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Bethpage US Post Office

339 Hicksville Road
Bethpage - 11714
(516) 938-3901

East Setauket US Post Office

450 Route 25a
East Setauket - 11733
(631) 941-4005

Bayville US Post Office

251 Bayville Avenue
Bayville - 11709
(516) 628-9235

Deer Park US Post Office

375 Carlls Path
Deer Park - 11729
(631) 667-6490

Montauk US Post Office

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

Centereach US Post Office

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

Locust US Post Office

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

Bellport US Post Office

26 Station Road
Bellport - 11713
(631) 286-8561

Greenvale US Post Office

37 Northern Blvd
Greenvale - 11548
(516) 621-7163

Brightwaters US Post Office

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