Jamesport US Post Office

1451 Route 25
Jamesport, NY 11947
Phone: (631) 722-5946
Fax: (516) 487-2508
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East Norwich US Post Office

1001 Oyster Bay Road
East Norwich - 11732
(516) 922-8283

East Marion US Post Office

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

Melville US Post Office

718 Walt Whitman Road
Melville - 11747
(631) 421-0726

Northport US Post Office

240 Main St
Northport - 11768
(631) 261-6941

Greenport US Post Office

131 Front St
Greenport - 11944
(631) 477-1493

Centerport US Post Office

434 E Main St
Centerport - 11721
(631) 261-6918

Rocky Point US Post Office

346 Route 25a # 84
Rocky Point - 11778
(631) 744-0635

Wainscott US Post Office

357 Montauk Highway
Wainscott - 11975
(631) 537-8943

West Babylon US Post Office

617 W Montauk Highway
West Babylon - 11704
(631) 422-2276

Cold Spring Harbor US Post Office

126 Main St
Cold Spring Hbr - 11724
(631) 692-5307