Roslyn US Post Office

1391 Old Northern Blvd
Roslyn, NY 11576
Phone: (516) 621-7397
Fax: (516) 766-5845
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Speonk US Post Office

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

Patchogue US Post Office

170 E Main St
Patchogue - 11772
(631) 475-8623

Bay Shore US Post Office

1314 5th Avenue
Bay Shore - 11706
(631) 969-3504

Great Neck US Post Office

1 Welwyn Road
Great Neck - 11021
(516) 482-5013

Garden City US Post Office

830 Stewart Avenue
Garden City - 11599
(516) 228-7502

West Babylon US Post Office

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

Fair Harbor US Post Office

100 Bay Walk
Fair Harbor - 11706
(631) 583-7080

Sag Harbor US Post Office

21 Long Island Avenue
Sag Harbor - 11963
(631) 725-8968

Mill Neck US Post Office

32 Frost Mill Road
Mill Neck - 11765
(516) 922-8247

Commack US Post Office

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