Outside of the U.S. some countries include letters in their postal codes. The famous Wimbledon tennis championships is often referred to as SW19, after its postal code.

Happy anniversary to the postal ZIP code On July 1, 1963, ... But when they had the machine and could use the machine, they ended up sorting at 1,700 letters per minute.

It encourages viewers to utilize ZIP codes to enhance postal services and concludes with a catchy song ... US Postal Service History: Wagon Wheels, Letters & 1960s Communication. Posted: February ...

Postal codes in Canada are a six-character string consisting of three letters and three digits. For example, the postal code for the CN Tower in Toronto is M5V 3L9.