Is USPS operate on Sunday?
Does USPS function on Sundays?
Does the United States Postal Service send mail on Sunday?
Is USPS open on Sunday?
Is it possible to I post packages through USPS on Sundays?
Are USPS services available on Sunday?
Does USPS provide package shipment services on Sundays?
Is the United States Postal Service operate during the weekend?
Can USPS process mail during Sundays?
Does USPS run operations on Sunday?
Is it possible to I get mail on Sunday through the United States Postal Service?