Garden City US Post Office

830 Stewart Avenue
Garden City, NY 11599
Phone: (516) 228-7502
Fax: (516) 228-7555
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Cutchogue US Post Office

240 Griffing St
Cutchogue - 11935
(631) 734-6032

East Norwich US Post Office

1001 Oyster Bay Road
East Norwich - 11732
(516) 922-8283

Fair Harbor US Post Office

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

Mt. Sinai US Post Office

457 Route 25a
Mt Sinai - 11766
(631) 928-0394

Oyster Bay US Post Office

1 Shore Avenue
Oyster Bay - 11771
(516) 922-8249

Plandome US Post Office

155 Stonytown Road
Plandome - 11030
(516) 627-3747

Point Lookout US Post Office

110 Lido Blvd
Point Lookout - 11569
(516) 431-7590

Roslyn US Post Office

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

Sag Harbor US Post Office

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

Seaford US Post Office

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