Shelter Island US Post Office

45 N Ferry Road
Shelter Island, NY 11964
Phone: (631) 749-1857
Fax: (516) 766-5845
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Blue Point US Post Office

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

Islip Terrace US Post Office

136 Carleton Avenue
Islip Terrace - 11752
(631) 581-7894

Westbury US Post Office

360 Maple Avenue
Westbury - 11590
(516) 333-3598

Hempstead US Post Office

200 Fulton Avenue
Hempstead - 11550
(516) 560-1120

Patchogue US Post Office

170 E Main St
Patchogue - 11772
(631) 475-8623

US Post Office Processing Center

160 Duryea Road
Melville - 11747
(631) 755-2575

East Hampton US Post Office

12 Gay Road
East Hampton - 11937
(631) 324-6320

Peconic US Post Office

2575 Peconic Ln
Peconic - 11958
(631) 765-9348

Sea Cliff US Post Office

200 Sea Cliff Avenue
Sea Cliff - 11579
(516) 671-8258

Saltaire US Post Office

Broadway St
Saltaire - 11706
(631) 583-7716