Locust US Post Office

115 Forest Avenue
Locust Valley, NY 11560
Phone: (516) 671-1559
Fax: (631) 226-5599
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Cedarhurst US Post Office

124 Grove Avenue
Cedarhurst - 11516
(516) 295-1452

Hauppauge US Post Office

960 Wheeler Road
Hauppauge - 11788
(631) 360-6712

Roosevelt US Post Office

1 Babylon Turnpike
Roosevelt - 11575
(516) 378-6973

Manorville US Post Office

525 Eastport Manor Road
Manorville - 11949
(631) 727-0064

North Babylon US Post Office

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

Mill Neck US Post Office

32 Frost Mill Road
Mill Neck - 11765
(516) 922-8247

Bayville US Post Office

251 Bayville Avenue
Bayville - 11709
(516) 628-9235

Uniondale US Post Office

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

Mattituck US Post Office

140 Love Ln
Mattituck - 11952
(631) 298-1364

Syosset US Post Office

40 Queens St
Syosset - 11791
(516) 921-0746