Yaphank US Post Office

5 E Main St
Yaphank, NY 11980
Phone: (631) 345-6829
Fax: (516) 295-5706
Visit Website

East Marion US Post Office

9165 Main Road
East Marion - 11939
(631) 477-1668

Old Westbury US Post Office

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

North Baldwin US Post Office

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

Islip Terrace US Post Office

136 Carleton Avenue
Islip Terrace - 11752
(631) 581-7894

Speonk US Post Office

323 Montauk Highway
Speonk - 11972
(631) 325-1741

New Hyde Park US Post Office

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

Roslyn US Post Office

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

Great River US Post Office

62 River Road
Great River - 11739
(631) 581-7680

Islandia US Post Office

PO Box 7800
Islandia - 11760
(631) 582-7420

East Hampton US Post Office

12 Gay Road
East Hampton - 11937
(631) 324-6320