Zip Codes or Zone Improvement Plan Codes were made in 1963 because there was need a more organized delivery system. The USPS, The United States Postal Service thought it would make delivering mail easier, smoother, and faster. Sometimes buildings or addresses that receive a large number of mail have their own zip code for example, The White House has its own zip code. Zip codes are not just random numbers picked out from a box it has its own meanings, for instance zip codes that start with a zero usually represent New England states while zip codes on the west coast such as Oregon, California, and Washington usually start with a