Sea Cliff US Post Office

200 Sea Cliff Avenue
Sea Cliff, NY 11579
Phone: (516) 671-8258
Fax: (516) 766-5845
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West Hempstead US Post Office

245 Hempstead Avenue
West Hempstead - 11552
(516) 481-5430

Old Westbury US Post Office

223 Store Hill Road # A
Old Westbury - 11568
(516) 333-0964

Cedarhurst US Post Office

124 Grove Avenue
Cedarhurst - 11516
(516) 295-1452

Jamesport US Post Office

1451 Route 25
Jamesport - 11947
(631) 722-5946

New Hyde Park US Post Office

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

Freeport US Post Office

132 W Merrick Road
Freeport - 11520
(516) 378-6512

Ocean Beach US Post Office

315 Cottage Walk
Ocean Beach - 11770
(631) 583-7368

East Setauket US Post Office

450 Route 25a
East Setauket - 11733
(631) 941-4005

Cherry Grove US Post Office

1000 Bay Walk
Cherry Grove - 11782
(631) 589-1177

East Islip US Post Office

11 Greenwood Avenue
East Islip - 11730
(631) 581-7807