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When did the postal system start using zip codes?
When did ZIP codes become a state abbreviation?
How have ZIP codes changed over the years?
What is the history of the ZIP code?
What is a ZIP code & why is it important?
What does the first digit of a ZIP code mean?
Instead, ZIP Codes in the 207 and 208 ranges, which had previously been assigned alphabetically, were reshuffled so that 207xx ZIP Codes in the county was changed to 208xx codes, while 208xx codes outside that county were changed to 207xx codes.
Feb 2, 2024 · The zip stands for "Zone Improvement Plan," a 1963 program to enhance mail sorting and deliver mail more efficiently. It did more to identify locations; postal codes also made it easier to establish mailing routes. The U.S. Postal Service started using zip codes on July 1, 1963.
Jun 24, 2024 · By the end of the decade, ZIP codes had achieved broad public acceptance. In 1983, with the complexity and volume of mail increasing exponentially, the USPS introduced an extended code called...
- Missy Sullivan
Jul 2, 2023 · In 1983, the U.S. Postal Service introduced the ZIP+4 system, adding four extra digits to the original code. The additional digits offered a higher level of precision, indicating a specific group of addresses, an individual high-volume receiver, or a specific PO Box.
Aug 22, 2024 · ZIP Code, system of zone coding (postal coding) introduced by the U.S. Post Office Department (now the U.S. Postal Service) in 1963 to facilitate the sorting and delivery of mail. After an extensive publicity campaign, the department finally succeeded in eliciting from the public a widespread.
- The Editors of Encyclopaedia Britannica
Since 1963, mail has been zipping along its route thanks to the introduction of ZIP codes. But it hasn’t always been that way. Let's see how ZIP codes started and how they've changed over the years.
Zip codes did not follow state or city boundaries but instead were tied to delivery routes, mail sorting facilities, and post office hubs. In 1983 the zip code system was extended to include an additional four digits that indicated a more precise location.
