East Setauket US Post Office

450 Route 25a
East Setauket, NY 11733
Phone: (631) 941-4005
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Seaford US Post Office

3575 Merrick Road
Seaford - 11783
(516) 785-3851

Melville US Post Office

718 Walt Whitman Road
Melville - 11747
(631) 421-0726

Fair Harbor US Post Office

100 Bay Walk
Fair Harbor - 11706
(631) 583-7080

Huntington Station US Post Office

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

Fishers Island US Post Office

1 Oriental Avenue
Fishers Island - 06390
(631) 788-7835

Bridgehampton US Post Office

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

Bohemia US Post Office

200 Orville Dr
Bohemia - 11716
(631) 589-2487

Old Westbury US Post Office

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

Merrick US Post Office

2040 Merrick Road
Merrick - 11566
(516) 378-7087

West Islip US Post Office

480 Union Blvd
West Islip - 11795
(631) 669-5157