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.

ZIP codes are five-digit numbers, such as the famous 90210. Why credit card postal codes and ZIP codes matter Your postal code or ZIP code acts as a security measure.

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.

Google has added a new feature to the maps one box on the search results. If you search for a zip code or postal code, Google will display a map with an outline around the area of that zip code or ...

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 letter without a ZIP code may not reach its intended destination. That is because of the way addresses are read by automated postal systems.

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 ...

City's street addresses are scattered across ZIP codes in four other towns, causing tax confusion and emergency response ...

Residents in parts of Tempe are getting a new ZIP Code, according to officials with the U.S. Postal Service.

Providing consistent, reliable mail delivery will be more difficult if lawmakers dictate ZIP Codes without consideration for ...

Why are zip codes and postal codes important when it comes to credit card transactions and when do they overlap for Canadian credit card users?