DUBLIN--(BUSINESS WIRE)--Research and Markets (http://www.researchandmarkets.com/research/f66828/the_easi_zip_plus4) has announced the addition of the "The EASI ZIP ...
A: The acronym zip stands for “Zone Improvement Plan.” Introduced to the public July 1, 1963, the ZIP code was seen as a positive step for improving the productivity of mail distribution during a ...