How do I get my zb code?

I was having problems with my Zoho mail and I tried to correct info with my domain which I have through iWantMyName. I couldn't figure out the problem so I decided to start fresh and delete what I had for Zoho with my domain. When I tried to set up Zoho again with my domain, they requested my zb code, which I can't get access to through the control panel because my domain has been "verified" from before. How do I rectify this problem?