Do United States Postal Service function on Sundays?
Does USPS work on Sunday? Does the United States Postal Service deliver mail on Sunday? Is USPS open on Sunday? Can we ship packages through USPS on Sunday? Is it possible to utilize USPS services on Sundays? Do I have access to mail delivery services on Sunday? Is USPS operate during the weekend? Do USPS branches process mail on Sundays? Is USPS operational on Sundays? Do we receive mail during Sunday through USPS?

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