"Put ZIP in Your Postal System" ZIP Code Video

Did you know It is National Postal worker day, National US Postage stamp day, and ZIP codes are introduced for United States mail 1963. http://www.nationaldaycalendar.com/national-postal-worker-day-july-1/ http://www.nationaldaycalendar.com/national-u-s-postage-stamp-day-july-1/ https://en.wikipedia.org/wiki/ZIP_code