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, ...

The Smithsonian’s National Postal Museum has launched an online microsite celebrating and examining the history and development of Mr. Zip and the ZIP Code campaign. Introduced in 1963, ZIP Codes were ...

Sure, there are some other celebrities who were born in 1963 (Brad Pitt, perhaps? Johnny Depp? How about Michael Jordan?) who have more name recognition, but none of them send you letters every day.

Someone whom I’ve known since elementary school celebrated his fiftieth birthday this week. On July 1, Mr. ZIP reached the half-century mark. His invention brought efficiency changes to the U.S.

Most kids I knew didn’t worry a lot about weirdo strangers bothering us in an early 1960s version of Nashua, especially if we stayed clear of certain neighborhoods our parents liked to call “rough” or ...

In postal circles, Robert Aurand Moon was known as “Mr. ZIP.” Mr. Moon, who invented the U.S. Postal Service’s ZIP code system and later was director of delivery services for the entire nation, died ...

The familiar five-digit number was part of a nationwide effort to modernize the mail.

LEESBURG — In postal circles, Robert Aurand Moon was known as “Mr. ZIP.” Moon, who invented the U.S. Postal Service’s ZIP code system and later was director of delivery services for the entire nation, ...