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ZIP codes are introduced for United States mail.
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ZIP Code
Numeric postal code used in the US and its territories
The ZIP Code system is the 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 when senders include the code in the postal address. ZIP+4 is a registered trademark of the…Source: Wikipedia (CC BY-SA)
United States Postal Service
Independent agency of the U.S. federal government
The United States Postal Service (USPS), also known as the Post Office, U.S. Mail, or simply the Postal Service, is an independent agency of the executive branch of the United States federal government responsible for providing postal service in the United States, its insular…Source: Wikipedia (CC BY-SA)
July 1
Day of the year
July 1 is the 182nd day of the year in the Gregorian calendar; 183 days remain until the end of the year.Source: Wikipedia (CC BY-SA)