4-Digit ZIP Code: A Relic of the Past with a Lingering Legacy
In the realm of postal codes, the 4-digit ZIP code holds a unique place in history. Introduced in 1963 as a part of the Zone Improvement Plan (ZIP) by the United States Postal Service (USPS), the 4-digit ZIP code was a revolutionary system designed to streamline mail sorting and delivery across the nation. The Rise…
Details