On the Ford Escape, this key is found in the smart junction box. This box is found underneath the glove box on the passenger side. However, to access the code, you will have to remove the fabric cover and you will see a black & whiter that contains that code.
umm are you locked out of your car? or are you planning something else.. either way, if it is YOUR car the code is in the owners manual most likely. I was just kidding about the steal thing, no offense meant =)