Hello, AnotherJeff! Thanks so much for reaching out to us and welcome to the Xfinity Forums!
I would be more than happy to assist you with fixing your username so you can properly view existing promotions and manage your account again. Please send me a private message with your first and last name so I can assist.
To send a private message, click my name "ComcastTambrey", then click "send a message".
AnotherJeff, as I have not heard back from you in some time, I have closed this thread to further comments. I hope you were able to regain access to manage your account again, but if you still need assistance, please feel free to start a new thread.