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 ...

For some credit card purchases in Canada, a postal code is required as a security measure. If using a credit card in the U.S., you may need to use a ZIP code instead. Many or all of the products on ...

Forbes contributors publish independent expert analyses and insights. I cover real estate, economics and cost of living. Sep 20, 2023, 12:43pm EDT This article is more than 2 years old. Fisher Island ...