If you’re setup for authenticator you simply enter the code from the app on your phone. It changes every 5 minutes. I wasn’t aware that CCP was still using email/text for 2FA any more.
I recommend you login to account management and setup for authenticator - it’s painless if you have an android device - I have no experience with IOS.
If you can’t get into account management for one of your accounts, try the recovery process: