Add Yahoo as a preferred source to see more of our stories on Google. Most Americans know their ZIP code by heart. They type it into online forms, scribble it on envelopes and memorize it as part of ...

It's very easy to chalk up certain facets of our lives to just being "the way it's always been." From daylight savings time to time zones, most of us don't even give a second thought to the meaning ...

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 during ...

Nowadays, people don't send letters to one another when they want to catch up. You may get holiday or birthday cards from your parents, grandparents or other family members and friends, but for the ...

You may know where 90210 is, but what about 76707? Meet Boulder, Colo.'s local "superhero": the Mighty Zip Code Man. David Rossteicher has memorized more than 30,000 zip codes, a skill that he shows ...

Most Americans know their ZIP code by heart. They type it into online forms, scribble it on envelopes and memorize it as part of their address. But not everyone knows the original meaning of the term.