Holtsville US Post Office

162 Long Island Avenue
Holtsville, NY 11742
Phone: (631) 475-1761
Fax: (516) 487-2508
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Shelter Island US Post Office

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

Farmingville US Post Office

500 Horseblock Road
Farmingville - 11738
(631) 732-8625

Selden US Post Office

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

East Rockaway US Post Office

10 Main St
East Rockaway - 11518
(516) 599-2157

Hicksville US Post Office

185 W John St
Hicksville - 11801
(516) 933-2300

Port Jefferson Station US Post Office

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

Old Westbury US Post Office

223 Store Hill Road # A
Old Westbury - 11568
(516) 333-0964

North Baldwin US Post Office

1620 Grand Avenue
North Baldwin - 11510
(516) 223-5710

Blue Point US Post Office

141 Montauk Highway
Blue Point - 11715
(631) 363-6272

Brightwaters US Post Office

145 Orinoco Dr
Brightwaters - 11718
(631) 206-4855