Great Neck US Post Office

1 Welwyn Road
Great Neck, NY 11021
Phone: (516) 482-5013
Fax: (516) 487-2508
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Shoreham US Post Office

69 Route 25a
Shoreham - 11786
(631) 744-3185

East Setauket US Post Office

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

Sagaponack US Post Office

542 Sagg Main St
Sagaponack - 11962
(631) 537-9346

Center Moriches US Post Office

35 Railroad Avenue
Center Moriches - 11934
(631) 878-0953

West Hempstead US Post Office

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

Plandome US Post Office

155 Stonytown Road
Plandome - 11030
(516) 627-3747

Shelter Island Heights US Post Office

6 Grand Avenue
Shelter Island Heights - 11965
(631) 749-0486

Ocean Beach US Post Office

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

Elmont US Post Office

260 Elmont Road
Elmont - 11003
(516) 354-5947

Central Islip US Post Office

101 Federal Plaza
Central Islip - 11722
(631) 715-0001