Port Jefferson Station US Post Office

544 Jefferson Placeaza
Port Jefferson Station, NY 11776
Phone: (631) 473-2751
Fax: (516) 845-7406
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Oakdale US Post Office

927 Montauk Highway
Oakdale - 11769
(631) 589-2683

Commack US Post Office

150 Veterans Memorial Highway
Commack - 11725
(631) 543-3647

Sayville US Post Office

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

Islandia US Post Office

PO Box 7800
Islandia - 11760
(631) 582-7420

Lindenhurst US Post Office

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

Glenwood Landing US Post Office

123 Glenwood Road
Glenwood Landing - 11547
(516) 676-8452

US Post Office Processing Center

160 Duryea Road
Melville - 11747
(631) 755-2575

Hempstead US Post Office

200 Fulton Avenue
Hempstead - 11550
(516) 560-1120

Bridgehampton US Post Office

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

Kings Point US Post Office

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