Jamesport US Post Office

70 2nd St
South Jamesport, NY 11970
Phone: (631) 722-4317
Fax: (631) 360-0532
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Bethpage US Post Office

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

Center Moriches US Post Office

35 Railroad Avenue
Center Moriches - 11934
(631) 878-0953

East Marion US Post Office

9165 Main Road
East Marion - 11939
(631) 477-1668

East Northport US Post Office

297 Larkfield Road
East Northport - 11731
(631) 368-5632

Middle Island US Post Office

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

Miller Placeace US Post Office

47 Echo Avenue
Miller Placeace - 11764
(631) 473-8134

Oakdale US Post Office

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

Port Jefferson Station US Post Office

544 Jefferson Placeaza
Port Jefferson Station - 11776
(631) 473-2751

Sea Cliff US Post Office

200 Sea Cliff Avenue
Sea Cliff - 11579
(516) 671-8258

Speonk US Post Office

323 Montauk Highway
Speonk - 11972
(631) 325-1741