About this episode
Back in the day, sending letters was slow and potentially confusing. Nothing could travel faster than the speed of a horse or a ship, and addressing letters could be confusing if there were multiple people in a city. Over time, the postal system developed systematic methods to deliver the mail quickly and more efficiently. Learn more about ZIP codes and postal codes, on this episode of Everything Everywhere Daily. Learn more about your ad choices. Visit megaphone.fm/adchoices