Nelson Intersearch Co., New York, has published “The 1999 Guide to Worldwide Postal-Code and Address Formats,” which details changes in international address formats.
In addition to providing information to help maintain an international database, the book alerts mailers to new country names and to nations with new postal-code systems. It also provides information about changes in postal-code formats and preferred address layouts. An at-a-glance chart shows where the changes in postal-code formats have occurred.