Jamesport US Post Office

70 2nd St
South Jamesport, NY 11970
Phone: (631) 722-4317
Fax: (631) 360-0532
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East Islip US Post Office

11 Greenwood Avenue
East Islip - 11730
(631) 581-7807

Elmont US Post Office

778 Elmont Road
Elmont - 11003
(516) 285-4078

Garden City US Post Office

600 Franklin Avenue
Garden City - 11530
(516) 747-2201

Greenvale US Post Office

37 Northern Blvd
Greenvale - 11548
(516) 621-7163

Locust US Post Office

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

Roslyn US Post Office

1391 Old Northern Blvd
Roslyn - 11576
(516) 621-7397

Speonk US Post Office

323 Montauk Highway
Speonk - 11972
(631) 325-1741

Wantagh US Post Office

3300 Park Avenue
Wantagh - 11793
(516) 785-3425

West Sayville US Post Office

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

Wheatley Heights US Post Office

6 Colonial Springs Road
Wheatley Heights - 11798
(631) 643-3913