Port Jefferson US Post Office

407 E Main St # 17
Port Jefferson, NY 11777
Phone: (631) 473-1065
Fax: (516) 845-7406
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Holbrook US Post Office

445 Furrows Road
Holbrook - 11741
(631) 588-0226

Nesconset US Post Office

226 Smithtown Blvd
Nesconset - 11767
(631) 265-3278

East Marion US Post Office

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

West Hempstead US Post Office

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

Lynbrook US Post Office

100 Broadway
Lynbrook - 11563
(516) 599-7587

Deer Park US Post Office

375 Carlls Path
Deer Park - 11729
(631) 667-6490

Hauppauge US Post Office

960 Wheeler Road
Hauppauge - 11788
(631) 360-6712

Albertson US Post Office

860 Willis Avenue
Albertson - 11507
(516) 746-3512

Great River US Post Office

62 River Road
Great River - 11739
(631) 581-7680

East Moriches US Post Office

3 Atlantic Avenue
East Moriches - 11940
(631) 878-0243