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A ZIP Code (an acronym for Zone Improvement Plan[1]) is a system of postal codes used by the United States Postal Service (USPS). The term ZIP was chosen to suggest that the mail travels more efficiently and quickly [2] (zipping along) when senders use the code in the postal address.
Jun 8, 2020 · The basic ZIP code has five digits. The first three digits refer to a sectional center facility (or SCF), what is basically a network of super post offices. All of the post offices that have those three digits in their ZIP code have their mail sorted and processed by the same SCF.
Apr 15, 2024 · The first number in the five-digit ZIP Code represents a general geographic area of the nation, “0” in the east, moving to “9” in the west. The next two numbers represent regional areas, and the final two identify specific Post Offices.
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.
Feb 15, 2023 · But through some crafty methods of detection (online research), we discovered one of the most highly kept secrets all mail carriers know: what ZIP codes really are and how they work.
- Claire Nowak
Mar 17, 2019 · ZIP Codes, five-digit numbers that represent small areas of the United States, were created by the United States Postal Service in 1963 to aid in the efficiency of delivering the ever-increasing volume of mail. The term "ZIP" is short for "Zone Improvement Plan."
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ZIP stands for Zone Improvement Plan. The first number is a national area, the second two indicate a local region, and the final two point to a specific delivery zone. Zip codes are tied to post offices and delivery routes more closely than city boundaries.
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