Mt. Sinai US Post Office

457 Route 25a
Mt Sinai, NY 11766
Phone: (631) 928-0394
Fax: (516) 747-5876
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Selden US Post Office

109 College Placez
Selden - 11784
(631) 732-8627

Wheatley Heights US Post Office

6 Colonial Springs Road
Wheatley Heights - 11798
(631) 643-3913

North Bellmore US Post Office

2465 Jerusalem Avenue
North Bellmore - 11710
(516) 785-0676

Syosset US Post Office

40 Queens St
Syosset - 11791
(516) 921-0746

Manhasset US Post Office

28 Maple Place
Manhasset - 11030
(516) 627-0536

Baldwin US Post Office

2260 Grand Avenue
Baldwin - 11510
(516) 223-5024

Stony Brook US Post Office

129 Main St
Stony Brook - 11790
(631) 751-5691

Plainview US Post Office

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

Sea Cliff US Post Office

200 Sea Cliff Avenue
Sea Cliff - 11579
(516) 671-8258

East Hampton US Post Office

291 Springs Fireplace Road
East Hampton - 11937
(631) 324-0790