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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Most Americans know their ZIP code by heart. They type it into online forms, scribble it on envelopes and memorize it as part of ...

NEW YORK (CNNMoney) — Every time you mindlessly give a sales clerk your zip code at checkout, you’re giving data companies and retailers the ability to track everything from your body type to your bad ...

For some credit card purchases in Canada, a postal code is required as a security measure. If using a credit card in the U.S., you may need to use a ZIP code instead. Use the postal code from the ...

Maybe not, but a location intelligence company called Environmental Systems Research Institute has created a map that summarizes the type of people that live in every ZIP code in the United States.

Most Americans know their ZIP code by heart. They type it into online forms, scribble it on envelopes and memorize it as part of their address. But not everyone knows the original meaning of the term.