East Setauket US Post Office

450 Route 25a
East Setauket, NY 11733
Phone: (631) 941-4005
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Island Park US Post Office

367 Long Beach Road
Island Park - 11558
(516) 432-9537

Baldwin US Post Office

2260 Grand Avenue
Baldwin - 11510
(516) 223-5024

Shelter Island Heights US Post Office

6 Grand Avenue
Shelter Island Heights - 11965
(631) 749-0486

Central Islip US Post Office

101 Federal Plaza
Central Islip - 11722
(631) 715-0001

Jamesport US Post Office

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

Sea Cliff US Post Office

200 Sea Cliff Avenue
Sea Cliff - 11579
(516) 671-8258

Blue Point US Post Office

141 Montauk Highway
Blue Point - 11715
(631) 363-6272

Lindenhurst US Post Office

65 E Hoffman Avenue
Lindenhurst - 11757
(631) 226-6914

Merrick US Post Office

2040 Merrick Road
Merrick - 11566
(516) 378-7087

Eastport US Post Office

24 Eastport Manor Road
Eastport - 11941
(631) 325-1798