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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Seaford US Post Office

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

New Hyde Park US Post Office

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

East Quogue US Post Office

6 Bay Avenue
East Quogue - 11942
(631) 653-5247

Wading River US Post Office

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

Old Westbury US Post Office

223 Store Hill Road # A
Old Westbury - 11568
(516) 333-0964

Roslyn Heights US Post Office

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

Riverhead US Post Office

1210 W Main St
Riverhead - 11901
(631) 727-1019

Garden City US Post Office

630 Old Country Road # 530
Garden City - 11530
(516) 746-1394

Blue Point US Post Office

141 Montauk Highway
Blue Point - 11715
(631) 363-6272

Mastic US Post Office

1450 Montauk Highway
Mastic - 11950
(631) 281-0275