Syosset US Post Office

40 Queens St
Syosset, NY 11791
Phone: (516) 921-0746
Fax: (516) 496-4736
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Cutchogue US Post Office

240 Griffing St
Cutchogue - 11935
(631) 734-6032

Deer Park US Post Office

375 Carlls Path
Deer Park - 11729
(631) 667-6490

Middle Island US Post Office

780 Middle Country Road
Middle Island - 11953
(631) 205-1089

Sayville US Post Office

130 Greene Avenue
Sayville - 11782
(631) 589-6963

Moriches US Post Office

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

Locust US Post Office

115 Forest Avenue
Locust Valley - 11560
(516) 671-1559

Bethpage US Post Office

288 Grumman Road W
Bethpage - 11714
(516) 349-5000

Bayville US Post Office

251 Bayville Avenue
Bayville - 11709
(516) 628-9235

Aquebogue US Post Office

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

Jamesport US Post Office

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