Thanks everybody for helping...and NO, I would never conduct my affairs to the extent that I use one credit card to pay off another! I have never had a score lower than 725...and that was my lowest. Nothing has changed on my credit file or my credit habits to make such drastic changes. I have owned four homes with no payment questions and have a sizeable amount of reserve credit for years that I hardly use. I called Equifax today - they could NOT have been nicer. Although it took about one hour and calling several people, they all assured me I do not have a split credit file. I do have an old address on my record that needed to be updated...so I am sending them a copy of my license and utility bills and we shall see what happens ALTHOUGH I still do suspect something else is up. This still sounds like a split file problem. Here is keeping fingers crosed