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 ...

MINNEAPOLIS (WCCO)-- They are the five numbers that stand for home. Since 1963, ZIP codes have been a part of just about every piece of mail that travels through our system. But what do those numbers ...

Today marks the 50th anniversary of the Zone Improvement Plan, the network of ZIP codes we use for everything from mail delivery to credit card security. The U.S. Postal Service began using the ...

This is not the first proposed ZIP code upgrade. In December 2024, Boebert’s previous version of the ZIP code bill passed unanimously in the House. However, the bill lost momentum, and the Senate ...

Everyone knows the ZIP code 90210—but what about these other notable codes around the country? The Zone Improvement Plan, otherwise known as the ZIP code, is the network of postal codes the U.S.

Mr. ZIP, informally "Zippy", was a cartoon character used in the 1960s by the United States Post Office Department, and later by its successor, the United States Postal Service, to encourage the ...