Bayport US Post Office

850 Montauk Highway
Bayport, NY 11705
Phone: (631) 472-7396
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Brentwood US Post Office

25 2nd Avenue
Brentwood - 11717
(631) 273-0947

Bay Shore US Post Office

1314 5th Avenue
Bay Shore - 11706
(631) 969-3504

East Hampton US Post Office

12 Gay Road
East Hampton - 11937
(631) 324-6320

Cherry Grove US Post Office

1000 Bay Walk
Cherry Grove - 11782
(631) 589-1177

Remsenburg US Post Office

137 S Country Road
Remsenburg - 11960
(631) 325-5937

Islandia US Post Office

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

Roosevelt US Post Office

1 Babylon Turnpike
Roosevelt - 11575
(516) 378-6973

Uniondale US Post Office

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

Moriches US Post Office

290 Montauk Highway
Moriches - 11955
(631) 878-1381

East Setauket US Post Office

101 Main St
Setauket - 11733
(631) 941-4042