Smithtown US Post Office

25 Route 111
Smithtown, NY 11787
Phone: (631) 360-6709
Fax: (631) 360-0532
Visit Website

Farmingville US Post Office

500 Horseblock Road
Farmingville - 11738
(631) 732-8625

Roslyn Heights US Post Office

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

Hauppauge US Post Office

960 Wheeler Road
Hauppauge - 11788
(631) 360-6712

Sound Beach US Post Office

25 New York Avenue
Sound Beach - 11789
(631) 744-0837

New Hyde Park US Post Office

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

East Moriches US Post Office

3 Atlantic Avenue
East Moriches - 11940
(631) 878-0243

Port Washington US Post Office

1051 Port Washington Blvd
Port Washington - 11050
(516) 883-0754

US Post Office Processing Center

160 Duryea Road
Melville - 11747
(631) 755-2575

Brentwood US Post Office

25 2nd Avenue
Brentwood - 11717
(631) 273-0947

Centerport US Post Office

434 E Main St
Centerport - 11721
(631) 261-6918