Islip Terrace US Post Office

136 Carleton Avenue
Islip Terrace, NY 11752
Phone: (631) 581-7894
Fax: (516) 487-2508
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Medford US Post Office

1905 Route 112
Medford - 11763
(631) 475-8273

Islandia US Post Office

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

East Meadow US Post Office

446 E Meadow Avenue
East Meadow - 11554
(516) 794-4509

Sea Cliff US Post Office

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

Roslyn US Post Office

1391 Old Northern Blvd
Roslyn - 11576
(516) 621-7397

Yaphank US Post Office

5 E Main St
Yaphank - 11980
(631) 345-6829

Southold US Post Office

710 Traveler St
Southold - 11971
(631) 765-4027

Seaford US Post Office

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

Huntington US Post Office

55 Gerard St
Huntington - 11743
(631) 427-8777

Old Bethpage US Post Office

696 Old Bethpage Road
Old Bethpage - 11804
(516) 249-2915