Also, I am pretty sure the first three digits in the zip code define the upper and lower bounds of the zip code for the county, principal county, unorganized borough, independent cities or parish.
But then I read this: "If the ZIP Code crosses county lines, this field will contain the name of the county in which the greatest portion of that ZIP Code lies."
Actually I think I created such a formula in the past as I remember a QuickBase engineer contacted me years ago asking why I was taking up so much space in my application for formulas. I might still have that application somewhere.
