New Hyde Park US Post Office

1568 Union Turnpike
New Hyde Park, NY 11040
Phone: (516) 616-6893
Fax: (516) 437-2896
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Southold US Post Office

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

Calverton US Post Office

3690 Middle Country Road
Calverton - 11933
(631) 727-0067

Centereach US Post Office

245 Centereach Mall
Centereach - 11720
(631) 588-7069

Westbury US Post Office

360 Maple Avenue
Westbury - 11590
(516) 333-3598

Roslyn US Post Office

1391 Old Northern Blvd
Roslyn - 11576
(516) 621-7397

Smithtown US Post Office

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

Moriches US Post Office

290 Montauk Highway
Moriches - 11955
(631) 878-1381

Patchogue US Post Office

170 E Main St
Patchogue - 11772
(631) 475-8623

East Hampton US Post Office

12 Gay Road
East Hampton - 11937
(631) 324-6320

Hampton US Post Office

16 Ponquogue Avenue
Hampton Bays - 11946
(631) 728-6994