New Suffolk US Post Office

375 1st St
New Suffolk, NY 11956
Phone: (631) 734-6271
Fax: (516) 437-2896
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Sayville US Post Office

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

Old Westbury US Post Office

223 Store Hill Road # A
Old Westbury - 11568
(516) 333-0964

Bay Shore US Post Office

1314 5th Avenue
Bay Shore - 11706
(631) 969-3504

Rockville US Post Office

250 Merrick Road
Rockville Centre - 11570
(516) 766-5749

Farmingdale US Post Office

380 Main St
Farmingdale - 11735
(516) 249-1552

St. James US Post Office

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

Port Jefferson Station US Post Office

544 Jefferson Placeaza
Port Jefferson Station - 11776
(631) 473-2751

Glen Head US Post Office

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

Jamesport US Post Office

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

Elmont US Post Office

778 Elmont Road
Elmont - 11003
(516) 285-4078