Sagaponack US Post Office

542 Sagg Main St
Sagaponack, NY 11962
Phone: (631) 537-9346
Fax: (516) 766-5845
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Roosevelt US Post Office

1 Babylon Turnpike
Roosevelt - 11575
(516) 378-6973

Glen Cove US Post Office

2 Glen Cove Avenue
Glen Cove - 11542
(516) 671-7847

New Suffolk US Post Office

375 1st St
New Suffolk - 11956
(631) 734-6271

Bridgehampton US Post Office

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

Sayville US Post Office

130 Greene Avenue
Sayville - 11782
(631) 589-6963

Oakdale US Post Office

927 Montauk Highway
Oakdale - 11769
(631) 589-2683

Smithtown US Post Office

25 Route 111
Smithtown - 11787
(631) 360-6709

Selden US Post Office

109 College Placez
Selden - 11784
(631) 732-8627

Central Islip US Post Office

101 Federal Plaza
Central Islip - 11722
(631) 715-0001

Islip US Post Office

309 Main St # 3
Islip - 11751
(631) 581-7931