Roslyn US Post Office

1391 Old Northern Blvd
Roslyn, NY 11576
Phone: (516) 621-7397
Fax: (516) 766-5845
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Ocean Beach US Post Office

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

East Marion US Post Office

9165 Main Road
East Marion - 11939
(631) 477-1668

Jamesport US Post Office

70 2nd St
South Jamesport - 11970
(631) 722-4317

Seaford US Post Office

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

Greenport US Post Office

131 Front St
Greenport - 11944
(631) 477-1493

Massapequa Park US Post Office

4910 Merrick Road
Massapequa Park - 11762
(516) 798-1268

East Rockaway US Post Office

10 Main St
East Rockaway - 11518
(516) 599-2157

Upton US Post Office

2 Center St
Upton - 11973
(631) 344-2539

Aquebogue US Post Office

212 Linda Avenue
Aquebogue - 11931
(631) 722-4368

Hewlett US Post Office

1245 Hewlett Placez
Hewlett - 11557
(516) 374-0973