Mill Neck US Post Office

32 Frost Mill Road
Mill Neck, NY 11765
Phone: (516) 922-8247
Fax: (631) 226-5599
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Melville US Post Office

718 Walt Whitman Road
Melville - 11747
(631) 421-0726

Point Lookout US Post Office

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

Wheatley Heights US Post Office

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

Islandia US Post Office

PO Box 7800
Islandia - 11760
(631) 582-7420

Old Westbury US Post Office

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

Roslyn US Post Office

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

Seaford US Post Office

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

Northport US Post Office

240 Main St
Northport - 11768
(631) 261-6941

Wantagh US Post Office

3300 Park Avenue
Wantagh - 11793
(516) 785-3425

Centereach US Post Office

245 Centereach Mall
Centereach - 11720
(631) 588-7069