East Setauket US Post Office

450 Route 25a
East Setauket, NY 11733
Phone: (631) 941-4005
Visit Website

Roslyn US Post Office

1391 Old Northern Blvd
Roslyn - 11576
(516) 621-7397

Shoreham US Post Office

69 Route 25a
Shoreham - 11786
(631) 744-3185

Sagaponack US Post Office

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

Hauppauge US Post Office

150 Oser Avenue
Hauppauge - 11788
(631) 231-3155

Mastic US Post Office

1450 Montauk Highway
Mastic - 11950
(631) 281-0275

East Meadow US Post Office

446 E Meadow Avenue
East Meadow - 11554
(516) 794-4509

North Baldwin US Post Office

1620 Grand Avenue
North Baldwin - 11510
(516) 223-5710

Great Neck US Post Office

1 Welwyn Road
Great Neck - 11021
(516) 482-5013

Jamesport US Post Office

70 2nd St
South Jamesport - 11970
(631) 722-4317

Uniondale US Post Office

1000 Front St
Uniondale - 11553
(516) 481-8245