Greenvale US Post Office

37 Northern Blvd
Greenvale, NY 11548
Phone: (516) 621-7163
Fax: (516) 487-2508
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East Hampton US Post Office

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

Sayville US Post Office

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

Roslyn Heights US Post Office

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

West Sayville US Post Office

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

Bellmore US Post Office

2611 Merrick Road
Bellmore - 11710
(516) 781-0579

East Setauket US Post Office

101 Main St
Setauket - 11733
(631) 941-4042

Locust US Post Office

115 Forest Avenue
Locust Valley - 11560
(516) 671-1559

Bayport US Post Office

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

East Northport US Post Office

297 Larkfield Road
East Northport - 11731
(631) 368-5632

North Babylon US Post Office

1196 Deer Park Avenue
North Babylon - 11703
(631) 667-4693