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.

Is your neighborhood full of laptops and lattes? Pleasantville-style domesticity? City strivers? This map will tell you.

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 ...

The House passed two bills Monday night that would authorize the U.S. Postal Service to create 76 new ZIP codes for communities nationwide.  These ...

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.

MAPLight, a public-interest research group that looks at the connections between money and politics, says that most of the money donated to members of Congress comes from Washington or DC-area zip … ...

The metro Phoenix area is home to one of the hottest zip codes to move to in the country, according to an August report ...

What do their ZIP codes say about our newsroom staffers? Click through to find out. Expand to read more What does your ZIP code say about you? Forget horoscopes, you can predict your future based ...

The Business Journals' second annual Wealthy 1000 analysis reveals America's wealthiest ZIP codes. How the new federal tax ...

Why do merchants sometimes ask us for our ZIP code when we buy something? I recently visited the Mob Museum in Las Vegas, an interesting addition to Sin City’s attractions. I paid my admission ...