Greenport US Post Office

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

4910 Merrick Road
Massapequa Park - 11762
(516) 798-1268

Aquebogue US Post Office

212 Linda Avenue
Aquebogue - 11931
(631) 722-4368

Sayville US Post Office

130 Greene Avenue
Sayville - 11782
(631) 589-6963

West Hempstead US Post Office

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

West Sayville US Post Office

12 Washington Avenue
West Sayville - 11796
(631) 589-6958

Bayport US Post Office

850 Montauk Highway
Bayport - 11705
(631) 472-7396

Yaphank US Post Office

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

Jamesport US Post Office

1451 Route 25
Jamesport - 11947
(631) 722-5946

Riverhead US Post Office

1210 W Main St
Riverhead - 11901
(631) 727-1019

Great Neck US Post Office

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