ZIP Codes are a seestem o postal codes uised bi the Unitit States Postal Service (USPS) syne 1963. The term ZIP, an acronym for Zone Improvement Plan,[1] wis chosen tae suggest that the mail travels mair efficiently, an tharefore mair quickly (zippin alang), when senders uise the code in the postal address.


  1. "Mr. Zip and the ZIP Code Promotional Campaign". Smithsonian National Postal Museum. Retrieved 7 March 2013.