News USPS removes thousands of mailboxes each year. In 2020, mail-in ballots make it political. August 31, 2020 Katie Wedell, Josh Salman and Dak Le, USA TODAY Comments Off on USPS removes thousands of mailboxes each year. In 2020, mail-in ballots make it political. USA TODAY Network reporters fanned out to see whether mailboxes had been removed in their communities.