Wow, what a miss for Quickbooks. This isnt exactly an edge-case either. I had an employee stop working for me who ended up just getting a new phone and email so...

Hi Jesse, what was your result with this? I am running into the exact same issue!

This problem is persistent, all zeros do not work, so unless you can give us a proper "dummy" SSN to work with, we cannot even add an employee or contractor in ...