HackerTube / Video
Your Post Code Is the Directions, Not the Destination
CGP Grey
CGP Grey explains that postal codes are routing instructions for mail rather than geographic regions. He looks at the quirks and problems this causes.
HN recommends it whenever zip codes, addresses or geospatial data come up, as a clear explanation of the hidden pattern in post codes.
4 Hacker News mentions · 2025–2025