One of the most important breakthroughs in modern communication lies in an overlooked place. It’s printed onto envelopes, just below the address. Although we think nothing of the ZIP Code these days, ...

A letter without a ZIP code may not reach its intended destination. That is because of the way addresses are read by automated postal systems. Rules that are taken for granted when people send mail ...

Along with Mr. Zip, The Swingin’ Six made ZIP codes mainstream. | Brianga, Wikimedia Commons // CC BY-SA 3.0 With upbeat songs and catchy lyrics, the 1960s band The Swingin’ Six helped usher in a new ...

Andrew Stanton is a Newsweek weekend reporter based in Maine. His role is reporting on U.S. politics and social issues. Andrew joined Newsweek in 2021 from The Boston Globe. He is a graduate of ...

Green officials say the current system, which splits the city between multiple postal codes, creates tax collection problems ...

That used to be the ZIP code for Silver Cliff, Colorado, before the U.S. Postal Service removed it from use and forced the town to use neighboring Westcliffe’s ZIP code. “We lost our identity,” said ...

Aliss Higham is a Newsweek reporter based in Glasgow, Scotland. Her focus is reporting on Social Security, other government benefits and personal finance. She has previously extensively covered U.S.

Across Philadelphia’s various neighborhoods spanning the Delaware River, into West Philly and up to the Northeast, live buildings and companies claiming their own ZIP code. Out of the nearly 90 postal ...