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.

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 ...

What’s in a Postal Code? When giving directions to someone, you can simply state the Postal Code of your destination. Find the Postal Code and District in Singapore.

Postal codes are taken for granted in Canada these days. But when the familiar six-character letter/number system was introduced, postal workers met the code — and the implication of automated ...