The U.S. Post Office inaugurated its five-digit ZIP codes 50 years ago today. 

The U.S. Post Office inaugurated its five-digit ZIP codes 50 years ago today

  1. darkdemandingchild reblogged this from wolframalpha
  2. shut-up-it-was-funny reblogged this from wolframalpha
  3. wolframalpha posted this
Blog comments powered by Disqus