Islip US Post Office

309 Main St # 3
Islip, NY 11751
Phone: (631) 581-7931
Fax: (516) 487-2508
Visit Website

Hauppauge US Post Office

150 Oser Avenue
Hauppauge - 11788
(631) 231-3155

Deer Park US Post Office

375 Carlls Path
Deer Park - 11729
(631) 667-6490

Roslyn Heights US Post Office

66 Mineola Avenue
Roslyn Heights - 11577
(516) 621-8050

Shelter Island US Post Office

45 N Ferry Road
Shelter Island - 11964
(631) 749-1857

North Baldwin US Post Office

1620 Grand Avenue
North Baldwin - 11510
(516) 223-5710

Central Islip US Post Office

101 Federal Plaza
Central Islip - 11722
(631) 715-0001

Wading River US Post Office

1816 Wading River Manor Road
Wading River - 11792
(631) 929-0219

East Marion US Post Office

9165 Main Road
East Marion - 11939
(631) 477-1668

Fair Harbor US Post Office

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

Coram US Post Office

117 Pauls Path
Coram - 11727
(631) 732-8691