Stony Brook US Post Office

129 Main St
Stony Brook, NY 11790
Phone: (631) 751-5691
Fax: (631) 246-8241
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Carle Place US Post Office

309 Westbury Avenue
Carle Placeace - 11514
(516) 333-3147

Mt. Sinai US Post Office

457 Route 25a
Mt Sinai - 11766
(631) 928-0394

Atlantic Beach US Post Office

2009 Park St
Atlantic Beach - 11509
(516) 239-1178

Sagaponack US Post Office

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

Bethpage US Post Office

288 Grumman Road W
Bethpage - 11714
(516) 349-5000

Sayville US Post Office

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

Blue Point US Post Office

141 Montauk Highway
Blue Point - 11715
(631) 363-6272

East Norwich US Post Office

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

Plainview US Post Office

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

Old Westbury US Post Office

1 Store Hill Road # A
Old Westbury - 11568
(516) 626-5247