Does United States Postal Service work on Sunday?
Is USPS function on Sunday? Does the United States Postal Service send mail on Sunday? Is USPS open on Sunday? Is it possible to you post packages through the United States Postal Service on Sunday? Is it possible to utilize USPS services on Sundays? Can I avail parcel shipment services on Sunday? Does the United States Postal Service operate on the weekend? Do USPS branches handle mail on Sunday? Do USPS branches function on Sunday? Do you receive mail on Sunday through the United States Postal Service?