This post may contain links from our sponsors and affiliates, and Flywheel Publishing may receive compensation for actions taken through them. A letter without a ZIP code may not reach its intended ...

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 ...

Local mayors say the current use of a Swansboro ZIP code—tied to neighboring Onslow County—has led to misdirected sales tax ...