On Fri, Mar 20, 2009 at 1:15 PM, Stockly, Ed <[log in to unmask]> wrote: >> That means that this project is doomed to failure in those 42 cases - unless > Ed is prepared to check for every locality in those 42 zip codes - > > I could use the first 4 digits. Wouldn't help; we're talking about the full 5 digits, not just the three-digit prefix. There are 42 five-digit ZIP codes that cross state lines. The code should probably flag those somehow. -- Mark J. Reed <[log in to unmask]>