Is United States Postal Service function on Sundays?
Is USPS function on Sunday? Is USPS deliver mail on Sundays? Does the United States Postal Service open on Sunday? Do we ship packages through the United States Postal Service on Sunday? Are USPS services available on Sundays? Do I have access to mail delivery services on Sundays? Do the United States Postal Service operate on Sundays? Do USPS branches handle mail on Sundays? Is USPS operational on Sunday? Is it possible to you get mail on Sunday through USPS?

does usps work on sunday