On July 1, 1963, the U.S. Post Office Department introduced the ZIP code program to get a handle on the heaping surplus of mail. Today, those five digits represent much more for American society. Back ...

Everyone has memorized exactly two ZIP codes: 90210 and whatever their own ZIP code is. We can thank a certain TV show set in Beverly Hills for that. Aside from that, general knowledge of these ...

The most prosperous parts of the U.S. have recovered nicely from the 2008 financial crisis, but many other places remain mired in high unemployment and poverty, according to a report measuring wealth ...

The ZIP codes with the most expensive real estate in the country are clustered in a few major coastal cities and their toniest suburbs.

With its gritty glamor and wealth of iconic culture, living the high life in New York City can come at price. This fact is born out by the research showing New York's Zip Codes are among America's ...

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 with a ...