North Baldwin US Post Office

1620 Grand Avenue
North Baldwin, NY 11510
Phone: (516) 223-5710
Fax: (516) 437-2896
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Island Park US Post Office

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

Farmingdale US Post Office

380 Main St
Farmingdale - 11735
(516) 249-1552

Massapequa US Post Office

80 Atlantic Avenue
Oceanside - 11572
(516) 766-5829

Melville US Post Office

718 Walt Whitman Road
Melville - 11747
(631) 421-0726

Southold US Post Office

710 Traveler St
Southold - 11971
(631) 765-4027

Sea Cliff US Post Office

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

Westbury US Post Office

360 Maple Avenue
Westbury - 11590
(516) 333-3598

Old Westbury US Post Office

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

Amityville US Post Office

77 Ireland Place
Amityville - 11701
631-264-3532

Bethpage US Post Office

288 Grumman Road W
Bethpage - 11714
(516) 349-5000