Islip Terrace US Post Office

136 Carleton Avenue
Islip Terrace, NY 11752
Phone: (631) 581-7894
Fax: (516) 487-2508
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West Hempstead US Post Office

245 Hempstead Avenue
West Hempstead - 11552
(516) 481-5430

Great Neck US Post Office

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

East Setauket US Post Office

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

Blue Point US Post Office

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

Westhampton Beach US Post Office

170 Main St
Westhampton Beach - 11978
(631) 288-4093

Plainview US Post Office

1662 Old Country Road
Plainview - 11803
(516) 845-7162

Wantagh US Post Office

3300 Park Avenue
Wantagh - 11793
(516) 785-3425

Upton US Post Office

2 Center St
Upton - 11973
(631) 344-2539

Great Neck US Post Office

1 Welwyn Road
Great Neck - 11021
(516) 482-5013

Ronkonkoma US Post Office

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