USPS Service Performance Continues Improvement Across First-Class Mail and Periodicals

June 10, 2021 WASHINGTON, DC — The U.S. Postal Service provided new service performance data today for the week of May 29 through June 4, 2021. During the seven-day period, First-Class Mail and Periodicals experienced positive improvement in service delivery, while Marketing Mail saw a slight decline. Notably, First-Class Mail service performance reached nearly 90…

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