Calverton US Post Office

3690 Middle Country Road
Calverton, NY 11933
Phone: (631) 727-0067
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Hicksville US Post Office

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

Bethpage US Post Office

339 Hicksville Road
Bethpage - 11714
(516) 938-3901

Oyster Bay US Post Office

1 Shore Avenue
Oyster Bay - 11771
(516) 922-8249

Roslyn US Post Office

1391 Old Northern Blvd
Roslyn - 11576
(516) 621-7397

Islip US Post Office

309 Main St # 3
Islip - 11751
(631) 581-7931

Blue Point US Post Office

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

Bellport US Post Office

26 Station Road
Bellport - 11713
(631) 286-8561

Kings Point US Post Office

300 Steamboat Road
Kings Point - 11024
(516) 773-5298

Valley Stream US Post Office

111 S Franklin Avenue
Valley Stream - 11580
(516) 825-8739

Smithtown US Post Office

25 Route 111
Smithtown - 11787
(631) 360-6709