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Do United States Postal Service operate on Sunday?
Do United States Postal Service function on Sundays?
Do USPS send mail on Sundays?
Is USPS open on Sundays?
Can you post packages through USPS on Sunday?
Are USPS services available on Sunday?
Can I avail mail shipment services on Sunday?
Do USPS work on the weekend?
Is it possible to utilize USPS services manage mail during Sunday?
Is USPS operational on Sunday?
Can I receive mail on Sundays through USPS?