It's very easy to chalk up certain facets of our lives to just being "the way it's always been." From daylight savings time to time zones, most of us don't even give a second thought to the meaning ...

On July 1, 1963, the U.S. Post Office Department introduced the ZIP code program to get a handle on the heaping surplus of mail. Today, those five digits represent much more for American society. Back ...

A new study shows people are consistently moving to this metro Phoenix city. Here's why the area is popular, and the other ...

The humble ZIP Code shows up in all kinds of surprising places. Planet Money looks at how it was born, how it transformed the mail and talks to one researcher who argues that it's gone too far. The ...

In January, Opendoor released a list of ZIP codes across the United States that they classify as "hidden gems." According to the report, these neighborhoods are often overlooked, but have "something ...