Jamesport US Post Office

1451 Route 25
Jamesport, NY 11947
Phone: (631) 722-5946
Fax: (516) 487-2508
Visit Website

Bayville US Post Office

251 Bayville Avenue
Bayville - 11709
(516) 628-9235

Brentwood US Post Office

25 2nd Avenue
Brentwood - 11717
(631) 273-0947

Centereach US Post Office

245 Centereach Mall
Centereach - 11720
(631) 588-7069

Great Neck US Post Office

1 Welwyn Road
Great Neck - 11021
(516) 482-5013

Lake Grove US Post Office

1001 Hawkins Avenue
Lake Grove - 11755
(631) 588-7019

Mill Neck US Post Office

32 Frost Mill Road
Mill Neck - 11765
(516) 922-8247

Mt. Sinai US Post Office

457 Route 25a
Mt Sinai - 11766
(631) 928-0394

New Hyde Park US Post Office

44 Millers Ln
New Hyde Park - 11040
(516) 616-6853

Plandome US Post Office

155 Stonytown Road
Plandome - 11030
(516) 627-3747

East Setauket US Post Office

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