In the larger populated cities of the time, merchants found a way to cater to busy customers who had little time or energy to prepare food during the evening. The variation in Chinese cuisine from different regions led caterers to create a list or menu for their patrons.
ZIP Code began on July 1, 1963, as scheduled. Use of the new code was not mandatory at first for anyone, but, in 1967, the Post Office required mailers of second- and third-class bulk mail to presort by ZIP Code. Although the public and mailers alike adapted well to its use, it was not enough.
Mr. ZIP Codes: Robert Aurand Moon, Inventor of the Zoning Improvement Plan (ZIP) Codes. The Zoning Improvement Plan (ZIP) Codes were invented by Robert Aurand Moon in the 1950âs although they didnât come into use by the Post Office until 1963. As the Father of ZIP Codes, Moon was also known as âMr. ZIP Code.â. Moon, born on April 15, 1917 in Williamsport, PA, was the United States director of mail delivery services for seven years. He started working for the post office in the 1940s as a postal inspector in Philadelphia and Chicago.