Bellport US Post Office

26 Station Road
Bellport, NY 11713
Phone: (631) 286-8561
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Bay Shore US Post Office

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

Carle Place US Post Office

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

East Setauket US Post Office

450 Route 25a
East Setauket - 11733
(631) 941-4005

Freeport US Post Office

132 W Merrick Road
Freeport - 11520
(516) 378-6512

Garden City US Post Office

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

Mt. Sinai US Post Office

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

Oakdale US Post Office

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

Ridge US Post Office

1700 Middle Country Road
Ridge - 11961
(631) 345-6842

Southold US Post Office

710 Traveler St
Southold - 11971
(631) 765-4027

US Post Office Processing Center

160 Duryea Road
Melville - 11747
(631) 755-2575