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Do USPS operate on Sunday?
Does United States Postal Service work on Sundays?
Do USPS send mail on Sundays?
Does the United States Postal Service open on Sunday?
Can I send packages through the United States Postal Service on Sundays?
Is it possible to utilize USPS services on Sundays?
Does USPS provide package delivery services on Sunday?
Does USPS operate on the weekend?
Do USPS branches manage mail during Sundays?
Is USPS operational on Sunday?
Can I receive mail on Sunday through the United States Postal Service?