Baldwin US Post Office

2260 Grand Avenue
Baldwin, NY 11510
Phone: (516) 223-5024
Fax: (516) 223-7420
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Manorville US Post Office

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

Fire Island Pines Post Office

Fire Island Pines Marina
Fire Isle Pines - 11782
(631) 597-6300

North Babylon US Post Office

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

Southold US Post Office

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

Massapequa Park US Post Office

4910 Merrick Road
Massapequa Park - 11762
(516) 798-1268

Water Mill US Post Office

670 Montauk Highway
Water Mill - 11976
(631) 726-6310

Locust US Post Office

115 Forest Avenue
Locust Valley - 11560
(516) 671-1559

New Hyde Park US Post Office

2038 Hillside Avenue
New Hyde Park - 11040
(516) 354-5685

East Rockaway US Post Office

10 Main St
East Rockaway - 11518
(516) 599-2157

Uniondale US Post Office

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