Freeport US Post Office

132 W Merrick Road
Freeport, NY 11520
Phone: (516) 378-6512
Fax: (516) 223-3843
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West Sayville US Post Office

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

Sag Harbor US Post Office

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

Nesconset US Post Office

226 Smithtown Blvd
Nesconset - 11767
(631) 265-3278

Bridgehampton US Post Office

2322 Montauk Highway
Bridgehampton - 11932
(631) 537-9322

Manorville US Post Office

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

East Norwich US Post Office

1001 Oyster Bay Road
East Norwich - 11732
(516) 922-8283

Jamesport US Post Office

1451 Route 25
Jamesport - 11947
(631) 722-5946

East Setauket US Post Office

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

Ronkonkoma US Post Office

200 Hawkins Avenue
Ronkonkoma - 11779
(631) 588-0301

Bayport US Post Office

850 Montauk Highway
Bayport - 11705
(631) 472-7396