Question: What does the ZIP in ZIP code stand for?
Answer: It stands for Zoning Improvement Plan. The ZIP code was launched in 1963 to improve delivery of a growing amount of U.S. mail. The first digit in the five-digit ZIP Code represents a general geographic area of the nation, from “0” in the east to “9” in the west. The next two numbers represent regional areas, and the final two identify specific Post Offices.
