Speonk US Post Office

323 Montauk Highway
Speonk, NY 11972
Phone: (631) 325-1741
Fax: (631) 360-0532
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West Babylon US Post Office

617 W Montauk Highway
West Babylon - 11704
(631) 422-2276

Island Park US Post Office

367 Long Beach Road
Island Park - 11558
(516) 432-9537

Elmont US Post Office

260 Elmont Road
Elmont - 11003
(516) 354-5947

West Sayville US Post Office

12 Washington Avenue
West Sayville - 11796
(631) 589-6958

Bayport US Post Office

850 Montauk Highway
Bayport - 11705
(631) 472-7396

Aquebogue US Post Office

212 Linda Avenue
Aquebogue - 11931
(631) 722-4368

Lindenhurst US Post Office

65 E Hoffman Avenue
Lindenhurst - 11757
(631) 226-6914

Valley Stream US Post Office

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

Old Westbury US Post Office

1 Store Hill Road # A
Old Westbury - 11568
(516) 626-5247

Jamesport US Post Office

70 2nd St
South Jamesport - 11970
(631) 722-4317