Nesconset US Post Office

226 Smithtown Blvd
Nesconset, NY 11767
Phone: (631) 265-3278
Fax: (516) 747-5876
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Central Islip US Post Office

101 Federal Plaza
Central Islip - 11722
(631) 715-0001

Patchogue US Post Office

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

Selden US Post Office

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

Islip Terrace US Post Office

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

Moriches US Post Office

290 Montauk Highway
Moriches - 11955
(631) 878-1381

Port Washington US Post Office

1051 Port Washington Blvd
Port Washington - 11050
(516) 883-0754

East Setauket US Post Office

450 Route 25a
East Setauket - 11733
(631) 941-4005

Williston Park US Post Office

446 Willis Avenue
Williston Park - 11596
(516) 746-3247

Roosevelt US Post Office

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

Ronkonkoma US Post Office

200 Hawkins Avenue
Ronkonkoma - 11779
(631) 588-0301