Middle Island US Post Office

780 Middle Country Road
Middle Island, NY 11953
Phone: (631) 205-1089
Fax: (631) 226-5599
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East Marion US Post Office

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

Roslyn Heights US Post Office

66 Mineola Avenue
Roslyn Heights - 11577
(516) 621-8050

East Quogue US Post Office

6 Bay Avenue
East Quogue - 11942
(631) 653-5247

Old Westbury US Post Office

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

Yaphank US Post Office

5 E Main St
Yaphank - 11980
(631) 345-6829

Mill Neck US Post Office

32 Frost Mill Road
Mill Neck - 11765
(516) 922-8247

West Hempstead US Post Office

245 Hempstead Avenue
West Hempstead - 11552
(516) 481-5430

Kings Point US Post Office

300 Steamboat Road
Kings Point - 11024
(516) 773-5298

Old Westbury US Post Office

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

Shelter Island Heights US Post Office

6 Grand Avenue
Shelter Island Heights - 11965
(631) 749-0486