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 ...

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 ...

“My realtor keeps talking about ‘the magic’ zip code of 85254,” the user wrote. “She keeps saying it like that woman on ...

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 ...