East Setauket US Post Office

101 Main St
Setauket, NY 11733
Phone: (631) 941-4042
Fax: (516) 766-5845
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Seaford US Post Office

3575 Merrick Road
Seaford - 11783
(516) 785-3851

Fishers Island US Post Office

1 Oriental Avenue
Fishers Island - 06390
(631) 788-7835

Brightwaters US Post Office

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

East Meadow US Post Office

446 E Meadow Avenue
East Meadow - 11554
(516) 794-4509

Plandome US Post Office

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

Center Moriches US Post Office

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

Speonk US Post Office

323 Montauk Highway
Speonk - 11972
(631) 325-1741

North Babylon US Post Office

1196 Deer Park Avenue
North Babylon - 11703
(631) 667-4693

Jericho US Post Office

425 N Broadway
Jericho - 11753
(516) 681-6248

Ocean Beach US Post Office

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