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.

Wednesday marks the 52nd birthday of the introduction of ZIP codes in the US. Though the explosion of business mail is mostly responsible for the Zoning Improvement Plan (ZIP), the idea started ...

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.

A recent study compares postal zones, ranking those with the most in-demand listings and the fastest-selling homes.

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?

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.