Good Morning @telematique!
Thank you for reaching out to us in regards to your login issue. Whenever you wish to maintain and access your myAT&T account, it can certainly be crucial to have your login situated. I would be pleased to assist you further.
I will need to gather a few details from you in regards to your account. Please expect from me a private message. This message will appear in your Forums Inbox, and we can follow up together!
I hope to speak soon. Have an awesome day until then!
Shenoah, AT&T Community Specialist