Mattituck US Post Office

140 Love Ln
Mattituck, NY 11952
Phone: (631) 298-1364
Fax: (631) 226-5599
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Roslyn US Post Office

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

Cold Spring Harbor US Post Office

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

Cherry Grove US Post Office

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

Melville US Post Office

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

Sag Harbor US Post Office

21 Long Island Avenue
Sag Harbor - 11963
(631) 725-8968

Hauppauge US Post Office

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

Lynbrook US Post Office

100 Broadway
Lynbrook - 11563
(516) 599-7587

Bridgehampton US Post Office

2322 Montauk Highway
Bridgehampton - 11932
(631) 537-9322

Selden US Post Office

109 College Placez
Selden - 11784
(631) 732-8627

Uniondale US Post Office

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