Islandia US Post Office

PO Box 7800
Islandia, NY 11760
Phone: (631) 582-7420
Fax: (516) 487-2508
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Cedarhurst US Post Office

124 Grove Avenue
Cedarhurst - 11516
(516) 295-1452

Farmingville US Post Office

500 Horseblock Road
Farmingville - 11738
(631) 732-8625

Baldwin US Post Office

2260 Grand Avenue
Baldwin - 11510
(516) 223-5024

Garden City US Post Office

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

Uniondale US Post Office

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

Roslyn US Post Office

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

North Bellmore US Post Office

2465 Jerusalem Avenue
North Bellmore - 11710
(516) 785-0676

Williston Park US Post Office

446 Willis Avenue
Williston Park - 11596
(516) 746-3247

Mastic Beach US Post Office

110 Mastic Road
Mastic Beach - 11951
(631) 281-0359

Medford US Post Office

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