call 800-comcast and select billing. ask the agent to fix your username to point only to your current address/account.
Greetings s_mmer! I appreciate you taking the time to reach out to us here on the forums. I hope you are having an amazing day. I apologize to hear you are having issues with getting into the My Account app. This certainly is a great tool once we are able to get you in there. Please send me a PM with your first/last name, user id you are logging in with, and phone number so I may further assist you.
To send a private message, please click my name "ComcastMichael" then select "Send a Message" on the right side.
Hello, s_mmer. I hope you had a great Memorial Weekend! I have not heard back from you and hope the issue has been resolved. If you still need assistance, please feel free to start a new thread.