USPS: ZIP Code was launched 60 years ago this month

Posted on July 27, 2023 by 21cpw

July 27, 2023 The ZIP Code was launched 60 years ago this month as part of a program of improvements to increase postal delivery speed. At the time, Americans were already struggling to adapt to three-digit area codes for long-distance telephone calls, so promoting the five-digit ZIP (short for Zone Improvement Plan) Code was a…

USPS: ZIP ZIP hooray! 7 facts about ZIP Codes

Posted on August 23, 2017August 23, 2017 by 21cpw

You see ZIP Codes every day, but how much do you know about them? “The list” is here to help you sort it all out. 1. “ZIP” stands for “Zoning Improvement Plan.” The five-digit codes were introduced in 1963 and assigned to every address in the nation to better sort and deliver mail. 2. Mr….