New Hyde Park US Post Office

1568 Union Turnpike
New Hyde Park, NY 11040
Phone: (516) 616-6893
Fax: (516) 437-2896
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Blue Point US Post Office

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

Hauppauge US Post Office

150 Oser Avenue
Hauppauge - 11788
(631) 231-3155

Holtsville US Post Office

162 Long Island Avenue
Holtsville - 11742
(631) 475-1761

Islip US Post Office

309 Main St # 3
Islip - 11751
(631) 581-7931

Lindenhurst US Post Office

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

Lynbrook US Post Office

100 Broadway
Lynbrook - 11563
(516) 599-7587

Melville US Post Office

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

North Babylon US Post Office

1196 Deer Park Avenue
North Babylon - 11703
(631) 667-4693

Roslyn US Post Office

1391 Old Northern Blvd
Roslyn - 11576
(516) 621-7397

Sagaponack US Post Office

542 Sagg Main St
Sagaponack - 11962
(631) 537-9346