US Postal Service - On July 1, 1963, we launched the ZIP code! Today, we zip around nearly 42,000 ZIP codes across the country. Do you know what ZIP stands for? | Facebook
![Many people use ZIP codes to determine place names. Here's why that doesn't work well. – Greater Greater Washington Many people use ZIP codes to determine place names. Here's why that doesn't work well. – Greater Greater Washington](https://ggwash.org/images/posts/_resized/NorthernPG.png)
Many people use ZIP codes to determine place names. Here's why that doesn't work well. – Greater Greater Washington
![What does the 6 digit code that follows the zip code printed by the USPS onto an envelope delivered to me mean? : r/USPS What does the 6 digit code that follows the zip code printed by the USPS onto an envelope delivered to me mean? : r/USPS](https://i.redd.it/9nehtytsl7f71.jpg)