Zip Code Evolution
The introduction of the zip code system in 1963 revolutionized mail delivery in the U.S., streamlining the process with a five-digit code for every address. This initiative not only improved efficiency but also enhanced automation in postal sorting. The subsequent introduction of the zip four system added even more detail, while the inclusion of U.S. territories in the postal system highlights its expansive reach.In this clip
From this podcast

Everything Everywhere Daily
All About ZIP Codes
Related Questions