Rocky Point US Post Office

346 Route 25a # 84
Rocky Point, NY 11778
Phone: (631) 744-0635
Fax: (516) 766-5845
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Water Mill US Post Office

670 Montauk Highway
Water Mill - 11976
(631) 726-6310

Port Jefferson Station US Post Office

544 Jefferson Placeaza
Port Jefferson Station - 11776
(631) 473-2751

East Setauket US Post Office

101 Main St
Setauket - 11733
(631) 941-4042

Shelter Island US Post Office

45 N Ferry Road
Shelter Island - 11964
(631) 749-1857

Farmingdale US Post Office

380 Main St
Farmingdale - 11735
(516) 249-1552

Plandome US Post Office

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

East Northport US Post Office

297 Larkfield Road
East Northport - 11731
(631) 368-5632

Copiague US Post Office

695 Marconi Blvd
Copiague - 11726
(631) 842-9084

Westhampton US Post Office

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

Elmont US Post Office

778 Elmont Road
Elmont - 11003
(516) 285-4078