The US system is very primitive. Entire towns have the same zip code, for example. That doe NOT aid distribution. The closest to the new system here is in the UK, which uses a combination of letters and numbers to identify sections of streets in towns (heavy users within a street get their own code). That is pretty much what is being introduced here, but using numbers only.
Guatemala judge orders detention of president in corruption scandal (Reuters)
from the article: Israel Post has your number. All 7 digits of it