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.

Intelligent Mail barcode. Image via Wikipedia In 1983, the post office introduced the ZIP+4 scheme. This uses the standard ZIP code plus a four-digit code that targets the precise location.

Dear editor, The United States Postal Service proudly provides mail delivery for local businesses and residents. As a ...

ZIP Code is a widely-known term which is used as a postal code for United States Postal Service (USPS). The main aim of it helps deliver mail faster and efficiently. Postcodes consist of five digits ...

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 ...

"There is a code, and we're about to crack it," said Pete Nowacki, spokesman for the U.S. Postal Service in Minnesota. Across the country, there are more than 42,000 different ZIP codes in use.

The U.S. Postal Service began using the five-digit ZIP code in 1963. In recognition of the anniversary, we've examined the list of more than 40,000 ZIP codes and highlighted a few that deserve ...

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.

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