Greenvale US Post Office

37 Northern Blvd
Greenvale, NY 11548
Phone: (516) 621-7163
Fax: (516) 487-2508
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Lindenhurst US Post Office

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

Mt. Sinai US Post Office

457 Route 25a
Mt Sinai - 11766
(631) 928-0394

Shelter Island Heights US Post Office

6 Grand Avenue
Shelter Island Heights - 11965
(631) 749-0486

Moriches US Post Office

290 Montauk Highway
Moriches - 11955
(631) 878-1381

Center Moriches US Post Office

35 Railroad Avenue
Center Moriches - 11934
(631) 878-0953

Huntington US Post Office

55 Gerard St
Huntington - 11743
(631) 427-8777

Great Neck US Post Office

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

US Post Office Processing Center

160 Duryea Road
Melville - 11747
(631) 755-2575

Blue Point US Post Office

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

Plainview US Post Office

1662 Old Country Road
Plainview - 11803
(516) 845-7162