Does Usps Deliver On Sunday And Saturday (or Weekend)?

The United States Postal Service or most commonly known as USPS has always been there to provide the best service to every citizen living in America and make their lives convenient and easier. With this, USPS has made plenty of improvements and innovations in their delivery system that benefits most of its clients.
According to Wikipedia, the USPS is also known as Postal Service, U.S. Mail, and Post Office.

Source: https://www.sellerapp.com/blog/does-usps-deliver-sunday-saturday-weekend/