Central Islip US Post Office

110 E Suffolk Avenue
Central Islip, NY 11722
Phone: (631) 234-0547
Fax: (631) 234-7429
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East Setauket US Post Office

101 Main St
Setauket - 11733
(631) 941-4042

Oyster Bay US Post Office

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

West Babylon US Post Office

385 Route 109
West Babylon - 11704
(631) 893-0560

East Hampton US Post Office

12 Gay Road
East Hampton - 11937
(631) 324-6320

Islip Terrace US Post Office

136 Carleton Avenue
Islip Terrace - 11752
(631) 581-7894

Huntington US Post Office

16 New York Avenue
Huntington - 11743
(631) 423-5880

Rockville US Post Office

250 Merrick Road
Rockville Centre - 11570
(516) 766-5749

New Hyde Park US Post Office

1568 Union Turnpike
New Hyde Park - 11040
(516) 616-6893

Bridgehampton US Post Office

2322 Montauk Highway
Bridgehampton - 11932
(631) 537-9322

New Hyde Park US Post Office

2038 Hillside Avenue
New Hyde Park - 11040
(516) 354-5685