Bay Shore US Post Office

1314 5th Avenue
Bay Shore, NY 11706
Phone: (631) 969-3504
Fax: (631) 968-0770
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Port Jefferson US Post Office

407 E Main St # 17
Port Jefferson - 11777
(631) 473-1065

Mastic US Post Office

1450 Montauk Highway
Mastic - 11950
(631) 281-0275

East Setauket US Post Office

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

Elmont US Post Office

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

Plainview US Post Office

1662 Old Country Road
Plainview - 11803
(516) 845-7162

Roslyn Heights US Post Office

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

Brightwaters US Post Office

145 Orinoco Dr
Brightwaters - 11718
(631) 206-4855

Hauppauge US Post Office

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

Bellmore US Post Office

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

Bay Shore US Post Office

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