Norfolk, Va. – Effective immediately, anyone sending mail to Navy mobile units must use a nine-digit ZIP code to ensure delivery, according to a message released by Secretary of the Navy Ray Mabus.

Question: I live in Fox Crossing in Winnebago County, but the post office gave me an Appleton address with the 54914 ZIP code. If I order anything online, I end up paying the Outagamie County ...

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 ...

According to the United States Postal Service, retail and delivery operations in 3-digit ZIP code areas will be suspended until further notice due to Hurricane Milton. Effective at 2:00 p.m. on ...

Previously on You’ve Got Mail, we looked at a few services that were designed to speed up the mail at various points along the way. But these improvements were all taking place on the USPS’ side of ...