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.

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 ...

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?

This has been as issue in some communities throughout the nation for decades, including in Anne Arundel County, with some ...

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

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 ...

Green officials say the current system, which splits the city between multiple postal codes, creates tax collection problems ...