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. Back ...

We all have one, we know it by heart, and we share it with our neighbors. But chances are you haven't thought that much about this ubiquitous part of American life — the ZIP code. We all know about ...

One of the most important breakthroughs in modern communication lies in an overlooked place. It’s printed onto envelopes, just below the address. Although we think nothing of the ZIP Code these days, ...

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 ...

The House passed two bills Monday night that would authorize the U.S. Postal Service to create 76 new ZIP codes for communities nationwide. This is not the first proposed ZIP code upgrade. In December ...

Postmaster General J. Edward Day, left, and two city letter carriers posing with Mr. Zip in 1963. (N/A/United States Postal Service.) Perspective by John Kelly While vacationing at his Texas ranch in ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. Many communities currently have outdated zip codes that may cause issues, such as slower mail delivery or delayed ...

Kept up to date by addenda. Vols. for 1992- issued in 2 or more pts. Available in a CD-ROM format. Also issued online with title: ZIP code lookup. Vols. for 1982-1983 were prepared by: the Retail ...