Jamesport US Post Office

1451 Route 25
Jamesport, NY 11947
Phone: (631) 722-5946
Fax: (516) 487-2508
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Ridge US Post Office

1700 Middle Country Road
Ridge - 11961
(631) 345-6842

Manhasset US Post Office

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

St. James US Post Office

325 Lake Avenue
St James - 11780
(631) 584-4138

North Babylon US Post Office

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

Wainscott US Post Office

357 Montauk Highway
Wainscott - 11975
(631) 537-8943

West Islip US Post Office

480 Union Blvd
West Islip - 11795
(631) 669-5157

Laurel US Post Office

2168 Main Road
Laurel - 11948
(631) 298-1672

Sag Harbor US Post Office

21 Long Island Avenue
Sag Harbor - 11963
(631) 725-8968

Fire Island Pines Post Office

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

West Sayville US Post Office

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