Greenport US Post Office

131 Front St
Greenport, NY 11944
Phone: (631) 477-1493
Fax: (516) 487-2508
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Old Westbury US Post Office

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

East Rockaway US Post Office

10 Main St
East Rockaway - 11518
(516) 599-2157

Woodmere US Post Office

132 Franklin Place
Woodmere - 11598
(516) 374-3776

East Hampton US Post Office

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

Mt. Sinai US Post Office

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

Jamesport US Post Office

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

Elmont US Post Office

798 Meacham Avenue
Elmont - 11003
(516) 887-6247

Cedarhurst US Post Office

124 Grove Avenue
Cedarhurst - 11516
(516) 295-1452

Glenwood Landing US Post Office

123 Glenwood Road
Glenwood Landing - 11547
(516) 676-8452

Rocky Point US Post Office

346 Route 25a # 84
Rocky Point - 11778
(631) 744-0635