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 ...

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 ...

What is a postal code? A postal code, also sometimes called a post code, is a series of letters and/or digits included in postal addresses to facilitate the sorting of mail. Postal codes are usually ...