Southold US Post Office

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

2040 Merrick Road
Merrick - 11566
(516) 378-7087

Sagaponack US Post Office

542 Sagg Main St
Sagaponack - 11962
(631) 537-9346

Commack US Post Office

150 Veterans Memorial Highway
Commack - 11725
(631) 543-3647

Stony Brook US Post Office

129 Main St
Stony Brook - 11790
(631) 751-5691

East Hampton US Post Office

291 Springs Fireplace Road
East Hampton - 11937
(631) 324-0790

Wyandanch US Post Office

1569 Straight Path
Wyandanch - 11798
(631) 643-3914

Oakdale US Post Office

927 Montauk Highway
Oakdale - 11769
(631) 589-2683

New Hyde Park US Post Office

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

Ridge US Post Office

1700 Middle Country Road
Ridge - 11961
(631) 345-6842

Calverton US Post Office

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