Do USPS function on Sunday?
Do United States Postal Service work on Sunday? Does the United States Postal Service send mail on Sundays? Do USPS branches operate on Sundays? Is it possible to I ship packages through USPS on Sunday? Is it possible to utilize USPS services on Sunday? Does USPS provide parcel shipment services on Sunday? Is USPS operate during Sundays? Do USPS branches handle mail during Sundays? Is USPS operational on Sundays? Can I receive mail during Sundays through the United States Postal Service?