- "For more than half a century, from 1911 until 1967, the Postal Service also served as a bank. Customers could walk down the street to the post office with their money and deposit it in a savings account there." http://www.washingtonpost.com/news/wonkblog/wp/2015/10/29/bernie-sanders-has-a-pretty-revolutionary-idea-to-change-americas-post-offices/ 600 comments politics