Central Islip US Post Office

101 Federal Plaza
Central Islip, NY 11722
Phone: (631) 715-0001
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Lindenhurst US Post Office

65 E Hoffman Avenue
Lindenhurst - 11757
(631) 226-6914

Sea Cliff US Post Office

200 Sea Cliff Avenue
Sea Cliff - 11579
(516) 671-8258

East Moriches US Post Office

3 Atlantic Avenue
East Moriches - 11940
(631) 878-0243

Cedarhurst US Post Office

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

Freeport US Post Office

132 W Merrick Road
Freeport - 11520
(516) 378-6512

Elmont US Post Office

778 Elmont Road
Elmont - 11003
(516) 285-4078

Great River US Post Office

62 River Road
Great River - 11739
(631) 581-7680

Water Mill US Post Office

670 Montauk Highway
Water Mill - 11976
(631) 726-6310

New Hyde Park US Post Office

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

West Hempstead US Post Office

245 Hempstead Avenue
West Hempstead - 11552
(516) 481-5430