Wainscott US Post Office

357 Montauk Highway
Wainscott, NY 11975
Phone: (631) 537-8943
Fax: (516) 496-4736
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Community Offices / Post Offices

Post Offices

Fire Island Pines Post Office

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

East Setauket US Post Office

450 Route 25a
East Setauket - 11733
(631) 941-4005
Post Offices

Long Beach US Post Office

101 E Park Avenue
Long Beach - 11561
(516) 432-5484
Post Offices

Manhasset US Post Office

28 Maple Place
Manhasset - 11030
(516) 627-0536
Post Offices

Mill Neck US Post Office

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

Mt. Sinai US Post Office

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

Northport US Post Office

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

Shelter Island US Post Office

45 N Ferry Road
Shelter Island - 11964
(631) 749-1857
Post Offices

Speonk US Post Office

323 Montauk Highway
Speonk - 11972
(631) 325-1741
Post Offices

Water Mill US Post Office

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