United States Postal Service
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Phone: (631) 473-1065
Fax: (631) 928-4632
Phone: (800) 275-8777
Address: 407 E Main St Ste 17, Port Jefferson, NY 11777
Website: http://usps.com/postoffice
544 Jefferson Plz, Port Jefferson Station, NY 11776
450 Route 25a, East Setauket, NY 11733
101 Main St, Setauket, NY 11733
457 Route 25a, Mount Sinai, NY 11766
1501 Main St, Port Jefferson, NY 11777
47 Echo Ave, Miller Place, NY 11764
5507 Nesconset Hwy Ste 10, Mount Sinai, NY 11766
1800 Middle Country Rd, Centereach, NY 11720
218 Main St, East Setauket, NY 11733