Middle Island US Post Office

780 Middle Country Road
Middle Island, NY 11953
Phone: (631) 205-1089
Fax: (631) 226-5599
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Plainview US Post Office

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

Port Jefferson US Post Office

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

East Setauket US Post Office

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

Huntington Station US Post Office

888 E Jericho Turnpike
Huntington Sta - 11746
(631) 427-0594

Great Neck US Post Office

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

Holbrook US Post Office

445 Furrows Road
Holbrook - 11741
(631) 588-0226

Riverhead US Post Office

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

Great Neck US Post Office

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

West Babylon US Post Office

385 Route 109
West Babylon - 11704
(631) 893-0560

Hicksville US Post Office

109 Ludy St
Hicksville - 11801
(516) 433-9188