East Setauket US Post Office

450 Route 25a
East Setauket, NY 11733
Phone: (631) 941-4005
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Sayville US Post Office

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

Central Islip US Post Office

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

East Rockaway US Post Office

10 Main St
East Rockaway - 11518
(516) 599-2157

Plainview US Post Office

1662 Old Country Road
Plainview - 11803
(516) 845-7162

Glen Head US Post Office

240 Glen Head Road # 1
Glen Head - 11545
(516) 676-8465

Sag Harbor US Post Office

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

Garden City US Post Office

630 Old Country Road # 530
Garden City - 11530
(516) 746-1394

New Hyde Park US Post Office

44 Millers Ln
New Hyde Park - 11040
(516) 616-6853

New Suffolk US Post Office

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

Merrick US Post Office

2040 Merrick Road
Merrick - 11566
(516) 378-7087