Us Zip Code [portable] ✦ Newest

The U.S. is divided into 10 regions, numbered 0 to 9. They begin at 0 in the Northeast (e.g., New England, New Jersey) and increase toward 9 in the far West (e.g., California, Washington).

These specify a local post office, a specific neighborhood, or a delivery zone within that SCF's jurisdiction. The ZIP+4 Extension us zip code

These identify a Sectional Center Facility (SCF) , a central hub where mail is sorted for a specific sub-region or large city. a specific neighborhood