Islandia US Post Office

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

542 Sagg Main St
Sagaponack - 11962
(631) 537-9346

Wheatley Heights US Post Office

6 Colonial Springs Road
Wheatley Heights - 11798
(631) 643-3913

Holtsville US Post Office

162 Long Island Avenue
Holtsville - 11742
(631) 475-1761

Greenvale US Post Office

37 Northern Blvd
Greenvale - 11548
(516) 621-7163

Huntington Station US Post Office

888 E Jericho Turnpike
Huntington Sta - 11746
(631) 427-0594

Great River US Post Office

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

Plainview US Post Office

1662 Old Country Road
Plainview - 11803
(516) 845-7162

Old Westbury US Post Office

1 Store Hill Road # A
Old Westbury - 11568
(516) 626-5247

Seaford US Post Office

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

Amityville US Post Office

77 Ireland Place
Amityville - 11701
631-264-3532