PASCO, WA - Monday is expected to be the busiest mailing day of the year for the United States Postal Service. Workers at USPS say they expect to process more than 600 million pieces of mail.
While Monday is expected to be the busiest mailing day, Thursday, December 19th, could be the busiest delivery day for workers with the Postal Service.
Here are the holiday deadlines for shipping with the U.S. Postal Service if you want your holiday packages to reach their destination by Christmas: