Northport US Post Office

240 Main St
Northport, NY 11768
Phone: (631) 261-6941
Fax: (516) 437-2896
Visit Website

Selden US Post Office

109 College Placez
Selden - 11784
(631) 732-8627

Mastic Beach US Post Office

110 Mastic Road
Mastic Beach - 11951
(631) 281-0359

New Suffolk US Post Office

375 1st St
New Suffolk - 11956
(631) 734-6271

Remsenburg US Post Office

137 S Country Road
Remsenburg - 11960
(631) 325-5937

West Sayville US Post Office

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

Lynbrook US Post Office

100 Broadway
Lynbrook - 11563
(516) 599-7587

East Islip US Post Office

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

Holbrook US Post Office

445 Furrows Road
Holbrook - 11741
(631) 588-0226

Levittown US Post Office

180 Gardiners Avenue
Levittown - 11756
(516) 735-7343

Calverton US Post Office

3690 Middle Country Road
Calverton - 11933
(631) 727-0067