The familiar five-digit number was part of a nationwide effort to modernize the mail.

Explore the most expensive ZIP codes in each state based on median home value, from Connecticut to Oklahoma.

The housing market has been all over the place the last few years, so it can be confusing for buyers and sellers alike. But there are some areas that stand out from the rest in terms of being popular ...

New Realtor.com analysis reveals the 10 priciest U.S. ZIP codes nationwide, from Newport Coast's $12.5M median to Paradise Valley's $5.5M entry point.

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. The ...

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. The ...

The most expensive US ZIP code is no longer in California. While the Golden State dominates the top 10 in PropertyShark's annual ranking of the priciest US ZIP codes based on median sale prices, it ...

An affluent suburban housing subdivision located in Garland, Texas about 15 miles northeast of downtown Dallas. The Dallas metro area accounts for many of the most expensive ZIP codes in Texas. In ...

The holidays were busy for mail carriers because we were busy sending packages with a familiar five-digit code. Our Planet Money team got curious, where did ZIP codes come from? Here's reporter Sally ...

Mixed use modern development on the banks of the Arizona Canal on a sunny day in Scottsdale. Many of the most expensive ZIP codes cover or are within the vicinity of Scottsdale. In a recent study, we ...