Lynbrook US Post Office

100 Broadway
Lynbrook, NY 11563
Phone: (516) 599-7587
Fax: (631) 226-5599
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Mastic Beach US Post Office

110 Mastic Road
Mastic Beach - 11951
(631) 281-0359

Mattituck US Post Office

140 Love Ln
Mattituck - 11952
(631) 298-1364

Greenvale US Post Office

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

Riverhead US Post Office

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

Fire Island Pines Post Office

Fire Island Pines Marina
Fire Isle Pines - 11782
(631) 597-6300

Roosevelt US Post Office

1 Babylon Turnpike
Roosevelt - 11575
(516) 378-6973

Merrick US Post Office

2040 Merrick Road
Merrick - 11566
(516) 378-7087

Yaphank US Post Office

5 E Main St
Yaphank - 11980
(631) 345-6829

Huntington US Post Office

16 New York Avenue
Huntington - 11743
(631) 423-5880

Quogue US Post Office

6 Midland St
Quogue - 11959
(631) 653-6427