Zip Code
Zip codes are employed by the Postal Services in US as an integral part of a US address so that the mail can be directed to the appropriate individual easily.
Zip code of Orlando travel city was introduced by the US postal service in the year 1943. Robert Moon, a postal worker was behind the evolution of the zip code as a viable means of perfecting mail delivery. However, it was only in 1963 that zip codes became prevalent throughout the country.
If we take 16820 which is the Zip code for Pennsylvania, the first three digits i.e., 168 represent the sectional center and the next two digits i.e., 20 is the postal code representing Pennsylvania.
Even after Zip codes were introduced across the United States in 1963, it was used to service only first class mail and later, in 1967 all postal articles started using the Zip code for delivery.
The Zip plus 4 system currently in vogue uses the additional 4 digits for identifying the specific geographic region. The code itself is transferred to a bar code where the postal sorting machinery ensures the mail going to the appropriate location. The full 12 digit zip code will ensure correct delivery when you intend sending a mail to anyone in the US.
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