Holtsville US Post Office

162 Long Island Avenue
Holtsville, NY 11742
Phone: (631) 475-1761
Fax: (516) 487-2508
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Community Offices / Post Offices

Post Offices

Bay Shore US Post Office

10 Bay Shore Avenue
Bay Shore - 11706
(631) 969-3506
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Copiague US Post Office

695 Marconi Blvd
Copiague - 11726
(631) 842-9084
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Farmingville US Post Office

500 Horseblock Road
Farmingville - 11738
(631) 732-8625
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Islandia US Post Office

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

Lindenhurst US Post Office

65 E Hoffman Avenue
Lindenhurst - 11757
(631) 226-6914
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Ridge US Post Office

1700 Middle Country Road
Ridge - 11961
(631) 345-6842
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Roslyn Heights US Post Office

66 Mineola Avenue
Roslyn Heights - 11577
(516) 621-8050
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Southold US Post Office

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

Uniondale US Post Office

1000 Front St
Uniondale - 11553
(516) 481-8245
Post Offices

West Islip US Post Office

480 Union Blvd
West Islip - 11795
(631) 669-5157
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