Franklin Square US Post Office

867 Hempstead Turnpike
Franklin Square, NY 11010
Phone: (516) 437-6647
Fax: (516) 352-2256
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Smithtown US Post Office

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

Westhampton US Post Office

408 Mill Road
Westhampton - 11977
(631) 288-4081

Brightwaters US Post Office

145 Orinoco Dr
Brightwaters - 11718
(631) 206-4855

Yaphank US Post Office

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

New Suffolk US Post Office

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

Farmingville US Post Office

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

Rocky Point US Post Office

346 Route 25a # 84
Rocky Point - 11778
(631) 744-0635

Malverne US Post Office

339 Hempstead Avenue
Malverne - 11565
(516) 599-7583

Roslyn Heights US Post Office

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

New Hyde Park US Post Office

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