Remsenburg US Post Office

137 S Country Road
Remsenburg, NY 11960
Phone: (631) 325-5937
Fax: (516) 845-7406
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Melville US Post Office

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

Riverhead US Post Office

1210 W Main St
Riverhead - 11901
(631) 727-1019

Mt. Sinai US Post Office

457 Route 25a
Mt Sinai - 11766
(631) 928-0394

Great Neck US Post Office

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

East Norwich US Post Office

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

Plandome US Post Office

155 Stonytown Road
Plandome - 11030
(516) 627-3747

Seaford US Post Office

3575 Merrick Road
Seaford - 11783
(516) 785-3851

Port Jefferson US Post Office

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

Coram US Post Office

117 Pauls Path
Coram - 11727
(631) 732-8691

East Setauket US Post Office

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