Governments use ZIP codes to determine who gets what—and this, in turn, stokes our political divisions. Private companies use ZIP code information to determine if they will, or will not, move ...

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.

Recently I wrote an article about why so many stores ask for your ZIP code at check-out. With your name and ZIP they can turn to outside data brokers to learn your address, phone number and email ...

The city and county crunched the numbers to rank the most vulnerable ZIP codes.