West Sayville US Post Office

12 Washington Avenue
West Sayville, NY 11796
Phone: (631) 589-6958
Fax: (516) 496-4736
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Westbury US Post Office

360 Maple Avenue
Westbury - 11590
(516) 333-3598

Moriches US Post Office

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

Fire Island Pines Post Office

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

Ocean Beach US Post Office

315 Cottage Walk
Ocean Beach - 11770
(631) 583-7368

Bridgehampton US Post Office

2322 Montauk Highway
Bridgehampton - 11932
(631) 537-9322

Blue Point US Post Office

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

Long Beach US Post Office

101 E Park Avenue
Long Beach - 11561
(516) 432-5484

Mastic US Post Office

1450 Montauk Highway
Mastic - 11950
(631) 281-0275

Lake Grove US Post Office

1001 Hawkins Avenue
Lake Grove - 11755
(631) 588-7019

Calverton US Post Office

3690 Middle Country Road
Calverton - 11933
(631) 727-0067