Does usps mail on sundays

- Does usps pickup mail on sundays
- Does usps deliver priority mail on sundays
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- Does usps sort mail on sundays
- Does usps mail run on sundays
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- Does usps ship priority mail on sundays
- Does usps deliver certified mail on sundays
- Does usps deliver regular mail on sundays
- Does usps mail get delivered on sundays
- Does usps deliver first class mail on sundays
- Does usps priority mail get delivered on sundays
- Does usps priority mail express deliver on sundays