The postal service may be in a financial vise right now, but fifty years ago it created an economic legacy–one now reportedly worth billions of dollars a year. On July 1, 1963, it introduced the ...

How is it that a simple five-digit ZIP code provides any insight into who you are? After reading my recent article on how stores often ask for our ZIP codes to build marketing profiles, Michael ...

Question: I live in Fox Crossing in Winnebago County, but the post office gave me an Appleton address with the 54914 ZIP code. If I order anything online, I end up paying the Outagamie County ...

Widespread adoption of the ZIP code can largely be attributed to a cartoon letter carrier. The U.S. Postal Service introduced the Zone Improvement Plan as a means to more efficiently sort and route ...