Centerport US Post Office

434 E Main St
Centerport, NY 11721
Phone: (631) 261-6918
Fax: (631) 757-6784
Visit Website

Uniondale US Post Office

1000 Front St
Uniondale - 11553
(516) 481-8245

East Marion US Post Office

9165 Main Road
East Marion - 11939
(631) 477-1668

Sag Harbor US Post Office

21 Long Island Avenue
Sag Harbor - 11963
(631) 725-8968

Brentwood US Post Office

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

Riverhead US Post Office

1210 W Main St
Riverhead - 11901
(631) 727-1019

Bayport US Post Office

850 Montauk Highway
Bayport - 11705
(631) 472-7396

Saltaire US Post Office

Broadway St
Saltaire - 11706
(631) 583-7716

Cutchogue US Post Office

240 Griffing St
Cutchogue - 11935
(631) 734-6032

Glen Head US Post Office

240 Glen Head Road # 1
Glen Head - 11545
(516) 676-8465

Eastport US Post Office

24 Eastport Manor Road
Eastport - 11941
(631) 325-1798