Mattituck US Post Office

140 Love Ln
Mattituck, NY 11952
Phone: (631) 298-1364
Fax: (631) 226-5599
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Huntington US Post Office

55 Gerard St
Huntington - 11743
(631) 427-8777

Melville US Post Office

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

Copiague US Post Office

695 Marconi Blvd
Copiague - 11726
(631) 842-9084

Yaphank US Post Office

5 E Main St
Yaphank - 11980
(631) 345-6829

Sayville US Post Office

130 Greene Avenue
Sayville - 11782
(631) 589-6963

East Setauket US Post Office

101 Main St
Setauket - 11733
(631) 941-4042

Port Jefferson US Post Office

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

Roosevelt US Post Office

1 Babylon Turnpike
Roosevelt - 11575
(516) 378-6973

Smithtown US Post Office

25 Route 111
Smithtown - 11787
(631) 360-6709

Cold Spring Harbor US Post Office

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