USPS Mount Sinai, NY

About USPS

United States Postal Service (USPS) is an independent agency of the United States federal government, responsible for providing postal services within the country. It is the only organization in the US that is authorized to deliver mail to every address, including PO boxes and military addresses. With a network of more than 31,000 retail locations and delivery points, USPS serves millions of customers every day. The company offers a range of services, including first-class and priority mail, international shipping, flat-rate boxes, and more. Known for its reliable and efficient service, USPS is a trusted partner for individuals and businesses across the country.
457 Route 25a, Mount Sinai NY 11766 (631) 928-0394
Monday-Friday: 9:00 AM-5:00 PM, Saturday: 9:00 AM-1:00 PM, Sunday: Closed
47 Echo Ave, Miller Place NY 11764 (631) 473-8134
Monday-Friday: 8:00 AM-5:00 PM, Saturday: 8:00 AM-1:00 PM, Sunday: Closed
544 Jefferson Plz, Port Jefferson Station NY 11776 (631) 473-2751
Monday-Friday: 9:00 AM-5:00 PM, Saturday: 9:00 AM-1:00 PM, Sunday: Closed
407 E Main St, Ste 17 (631) 473-1065
Monday-Friday: 10:00 AM-1:30 PM, Saturday: 9:00 AM-12:00 PM, Sunday: Closed
117 Pauls Path, Coram NY 11727 (631) 732-8691
Monday-Friday: 9:00 AM-5:00 PM, Saturday: 9:00 AM-1:00 PM, Sunday: Closed
129 Main St, Stony Brook NY 11790 (631) 751-5691
Monday-Friday: 9:00 AM-5:00 PM, Saturday: 9:00 AM-1:00 PM, Sunday: Closed
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