Island Park US Post Office

367 Long Beach Road
Island Park, NY 11558
Phone: (516) 432-9537
Fax: (516) 487-2508
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Central Islip US Post Office

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

Cherry Grove US Post Office

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

Sea Cliff US Post Office

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

Uniondale US Post Office

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

Elmont US Post Office

260 Elmont Road
Elmont - 11003
(516) 354-5947

Cold Spring Harbor US Post Office

126 Main St
Cold Spring Hbr - 11724
(631) 692-5307

Lindenhurst US Post Office

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

Port Jefferson Station US Post Office

544 Jefferson Placeaza
Port Jefferson Station - 11776
(631) 473-2751

Great Neck US Post Office

661 Middle Neck Road
Great Neck - 11023
(516) 829-6315

Bellport US Post Office

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