The US Post Office in Mount Sinai, NY, is a branch of the United States Postal Service. It offers a variety of mailing and shipping services for individuals and businesses, including tracking packages, purchasing stamps, and scheduling pickups.
Customers can access services such as Informed Delivery to preview incoming mail digitally, hold mail while away, and calculate postage rates. The post office also provides options for renting PO boxes, shipping internationally, and managing mail for businesses.
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