Does United States Postal Service work on Sundays?
Do USPS work on Sunday? Does the United States Postal Service deliver mail on Sundays? Is USPS open on Sunday? Can we post packages through the United States Postal Service on Sunday? Is it possible to utilize USPS services on Sunday? Does USPS provide mail delivery services on Sunday? Do USPS work on Sundays? Can USPS process mail on Sunday? Is USPS operational on Sunday? Do I receive mail on Sundays through USPS?

does usps work on sunday