Bay Shore US Post Office

1314 5th Avenue
Bay Shore, NY 11706
Phone: (631) 969-3504
Fax: (631) 968-0770
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Garden City US Post Office

600 Franklin Avenue
Garden City - 11530
(516) 747-2201

Port Jefferson US Post Office

407 E Main St # 17
Port Jefferson - 11777
(631) 473-1065

West Sayville US Post Office

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

Sagaponack US Post Office

542 Sagg Main St
Sagaponack - 11962
(631) 537-9346

Peconic US Post Office

2575 Peconic Ln
Peconic - 11958
(631) 765-9348

Amityville US Post Office

77 Ireland Place
Amityville - 11701
631-264-3532

Wyandanch US Post Office

1569 Straight Path
Wyandanch - 11798
(631) 643-3914

Greenport US Post Office

131 Front St
Greenport - 11944
(631) 477-1493

Garden City US Post Office

830 Stewart Avenue
Garden City - 11599
(516) 228-7502

Shirely US Post Office

800 Montauk Highway # 1
Shirley - 11967
(631) 281-0479