Greenport US Post Office

131 Front St
Greenport, NY 11944
Phone: (631) 477-1493
Fax: (516) 487-2508
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Westhampton Beach US Post Office

170 Main St
Westhampton Beach - 11978
(631) 288-4093

Cold Spring Harbor US Post Office

126 Main St
Cold Spring Hbr - 11724
(631) 692-5307

Massapequa US Post Office

80 Atlantic Avenue
Oceanside - 11572
(516) 766-5829

New Suffolk US Post Office

375 1st St
New Suffolk - 11956
(631) 734-6271

New Hyde Park US Post Office

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

Southold US Post Office

710 Traveler St
Southold - 11971
(631) 765-4027

Lynbrook US Post Office

100 Broadway
Lynbrook - 11563
(516) 599-7587

Wading River US Post Office

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

Laurel US Post Office

2168 Main Road
Laurel - 11948
(631) 298-1672

Commack US Post Office

150 Veterans Memorial Highway
Commack - 11725
(631) 543-3647