Greenvale US Post Office

37 Northern Blvd
Greenvale, NY 11548
Phone: (516) 621-7163
Fax: (516) 487-2508
Visit Website

Island Park US Post Office

367 Long Beach Road
Island Park - 11558
(516) 432-9537

Elmont US Post Office

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

Shoreham US Post Office

69 Route 25a
Shoreham - 11786
(631) 744-3185

East Islip US Post Office

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

West Babylon US Post Office

385 Route 109
West Babylon - 11704
(631) 893-0560

East Setauket US Post Office

450 Route 25a
East Setauket - 11733
(631) 941-4005

Hauppauge US Post Office

150 Oser Avenue
Hauppauge - 11788
(631) 231-3155

Wheatley Heights US Post Office

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

Locust US Post Office

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

Oyster Bay US Post Office

1 Shore Avenue
Oyster Bay - 11771
(516) 922-8249