: Represents a general geographic area, moving from "0" in the Northeast to "9" in the West.
: Identify a regional mail distribution center.
: Represent a specific local post office or delivery area.
: Introduced in 1983, these extra four digits identify a specific geographic segment, like a city block or apartment building, for even more precise delivery. How to Find a Correct ZIP Code
Standard U.S. ZIP codes consist of exactly five digits. When searching for this specific sequence, results typically point to valid ZIP codes that are similar but different, such as: : Brooklyn, New York .