Do United States Postal Service operate on Sunday?
Is United States Postal Service function on Sundays? Do USPS deliver mail on Sundays? Do USPS branches operate on Sundays? Is it possible to we ship packages through USPS on Sunday? Is it possible to utilize USPS services on Sundays? Can I avail parcel shipment services on Sundays? Is USPS work on Sundays? Do USPS branches process mail during Sundays? Does USPS run operations on Sunday? Do we receive mail on Sunday through USPS?