Is United States Postal Service operate on Sundays?
Does United States Postal Service function on Sunday? Is USPS send mail on Sundays? Do USPS branches operate on Sundays? Do we send packages through USPS on Sundays? Is it possible to utilize USPS services on Sundays? Do I have access to package shipment services on Sunday? Does the United States Postal Service operate on Sundays? Do USPS branches handle mail on Sunday? Is USPS operational on Sunday? Do you receive mail on Sunday through the United States Postal Service?

Can UPS Deliver on Saturdays and Sundays