Sayville US Post Office

130 Greene Avenue
Sayville, NY 11782
Phone: (631) 589-6963
Fax: (516) 766-5845
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Cedarhurst US Post Office

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

Commack US Post Office

150 Veterans Memorial Highway
Commack - 11725
(631) 543-3647

Roslyn Heights US Post Office

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

Southold US Post Office

710 Traveler St
Southold - 11971
(631) 765-4027

Bay Shore US Post Office

10 Bay Shore Avenue
Bay Shore - 11706
(631) 969-3506

Bethpage US Post Office

288 Grumman Road W
Bethpage - 11714
(516) 349-5000

Ronkonkoma US Post Office

200 Hawkins Avenue
Ronkonkoma - 11779
(631) 588-0301

Moriches US Post Office

290 Montauk Highway
Moriches - 11955
(631) 878-1381

Hempstead US Post Office

200 Fulton Avenue
Hempstead - 11550
(516) 560-1120

Islandia US Post Office

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