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 ...

Everyone has memorized exactly two ZIP codes: 90210 and whatever their own ZIP code is. We can thank a certain TV show set in Beverly Hills for that. Aside from that, general knowledge of these ...

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 ...

What do zip codes tell us about the spread of the coronavirus? As more detailed information becomes available through the state Department of Health, the number of Pennsylvania’s coronavirus positive ...

The Washington Post recently created an interactive map that lays out, by zip code, where the nation's richest and most educated populations reside. The Post used 2010 Census data to find 'Super Zips' ...