Happy 50th birthday, ZIP code
ZIP code promotional sign on a hotel letter drop.
(Credit:
United States Post Office Department)
The U.S. Postal Service’s ZIP code system turns 50 on Monday, harkening back to a time when those five digits were the side effect of the tech behind a quickly evolving communications industry.
The service introduced the ZIP code, or Zone Improvement Plan, in 1963 as “five trailblazing numbers” that “launched every piece of mail with space-age speed and precision,” according to a cheesy 1960s public service announcement video that encouraged people to use ZIP codes while addressing mail.
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