Southold US Post Office

710 Traveler St
Southold, NY 11971
Phone: (631) 765-4027
Fax: (631) 360-0532
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Garden City US Post Office

830 Stewart Avenue
Garden City - 11599
(516) 228-7502

Cedarhurst US Post Office

124 Grove Avenue
Cedarhurst - 11516
(516) 295-1452

Shelter Island Heights US Post Office

6 Grand Avenue
Shelter Island Heights - 11965
(631) 749-0486

Speonk US Post Office

323 Montauk Highway
Speonk - 11972
(631) 325-1741

Shoreham US Post Office

69 Route 25a
Shoreham - 11786
(631) 744-3185

Bethpage US Post Office

339 Hicksville Road
Bethpage - 11714
(516) 938-3901

US Post Office Processing Center

160 Duryea Road
Melville - 11747
(631) 755-2575

Upton US Post Office

2 Center St
Upton - 11973
(631) 344-2539

Port Jefferson Station US Post Office

544 Jefferson Placeaza
Port Jefferson Station - 11776
(631) 473-2751

Hicksville US Post Office

109 Ludy St
Hicksville - 11801
(516) 433-9188