Hampton US Post Office

16 Ponquogue Avenue
Hampton Bays, NY 11946
Phone: (631) 728-6994
Fax: (516) 487-2508
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Quogue US Post Office

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

East Marion US Post Office

9165 Main Road
East Marion - 11939
(631) 477-1668

Baldwin US Post Office

2260 Grand Avenue
Baldwin - 11510
(516) 223-5024

Kings Point US Post Office

300 Steamboat Road
Kings Point - 11024
(516) 773-5298

Port Jefferson US Post Office

407 E Main St # 17
Port Jefferson - 11777
(631) 473-1065

New Hyde Park US Post Office

1001 2nd Avenue
New Hyde Park - 11040
(516) 354-6024

Mattituck US Post Office

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

Smithtown US Post Office

25 Route 111
Smithtown - 11787
(631) 360-6709

Huntington US Post Office

55 Gerard St
Huntington - 11743
(631) 427-8777

Wainscott US Post Office

357 Montauk Highway
Wainscott - 11975
(631) 537-8943