Learn the history and meaning of usps postal codes, why it's called a ZIP code, whether a postal code is a ZIP code, and what ZIP code numbers stand for.

Your billing zip code, or credit card postal code, is the five-digit number on the bottom right, which in this sample is 90210. This would be the zip code associated with your billing address. It ...

A postal code is a five digit code used to help postal services deliver mail and packages. Here's what the numbers mean and how they determine yours.

USA TODAY has put together a database for you to search for your ZIP code below —or select a major city — to reveal the time, duration, peak and percentage of the eclipse in your area.