History of the ZIP Program, Copyright 1992 by Access Success


ZIP version 1.0, released August 1992
Original release that returned a zip code or zip range when given
a city in the U.S.  Quick and easy operation from the DOS prompt.


ZIP version 2.0, released November 1992
Added area codes to the database file and output.  Added searches
by state, zip, and area code.  Utilized new indexing technology
that facilitated multiple search options without more disk space.