Plainview US Post Office

1662 Old Country Road
Plainview, NY 11803
Phone: (516) 845-7162
Fax: (516) 845-7406
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Fire Island Pines Post Office

Fire Island Pines Marina
Fire Isle Pines - 11782
(631) 597-6300

Upton US Post Office

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

Hicksville US Post Office

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

Old Westbury US Post Office

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

Roosevelt US Post Office

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

East Setauket US Post Office

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

St. James US Post Office

325 Lake Avenue
St James - 11780
(631) 584-4138

Bay Shore US Post Office

10 Bay Shore Avenue
Bay Shore - 11706
(631) 969-3506

Amityville US Post Office

77 Ireland Place
Amityville - 11701
631-264-3532

East Moriches US Post Office

3 Atlantic Avenue
East Moriches - 11940
(631) 878-0243