Syosset US Post Office

40 Queens St
Syosset, NY 11791
Phone: (516) 921-0746
Fax: (516) 496-4736
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Medford US Post Office

1905 Route 112
Medford - 11763
(631) 475-8273

West Sayville US Post Office

12 Washington Avenue
West Sayville - 11796
(631) 589-6958

Roslyn US Post Office

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

Northport US Post Office

240 Main St
Northport - 11768
(631) 261-6941

Greenvale US Post Office

37 Northern Blvd
Greenvale - 11548
(516) 621-7163

Great Neck US Post Office

661 Middle Neck Road
Great Neck - 11023
(516) 829-6315

Montauk US Post Office

73 S Euclid Avenue
Montauk - 11954
(631) 668-7043

Baldwin US Post Office

2260 Grand Avenue
Baldwin - 11510
(516) 223-5024

New Hyde Park US Post Office

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

Merrick US Post Office

2040 Merrick Road
Merrick - 11566
(516) 378-7087