Southold US Post Office

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

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

New Hyde Park US Post Office

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

Selden US Post Office

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

Islandia US Post Office

PO Box 7800
Islandia - 11760
(631) 582-7420

Port Jefferson US Post Office

407 E Main St # 17
Port Jefferson - 11777
(631) 473-1065

Great Neck US Post Office

661 Middle Neck Road
Great Neck - 11023
(516) 829-6315

East Marion US Post Office

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

Port Jefferson Station US Post Office

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

Shelter Island US Post Office

45 N Ferry Road
Shelter Island - 11964
(631) 749-1857

Mill Neck US Post Office

32 Frost Mill Road
Mill Neck - 11765
(516) 922-8247