Account Exists and Does not Exist

My Xfinity mobile account shows it dies not exist and yet I am still charged for mobile services and the phone still works. I have talked to 17 representatives over 3 days and am at a total of 12 hours on the phone. Every member of support says the account does not exist but when I ask why I am being charged if the account does not exist they say they don't know why or what to do and transfer me to another department. 2 days ago I finally got a technician (employee number 15) to cotact tier 2 support and to create a case number (Edit personal information) they told me to wait 24 to 48 hours, which I have, but when I called back today they said the case shows closed. The problem is not resolved as I still cannot log into the account. Ultimately, all I want to do is transfer the line to a new provider and terminate services xfinity mobile. I have provided support with the phone number, the zipcode, the physical address, and the e-mail but they still cannot help, I even went in to the xfinity store twice and they tell me they can't help because they only deal with internet and that for this mobile issue, I'll need tier 3 support and will have to call Xfinity support for that (not sure if teir 3 support is even a real thing at this point). Can somehow please help me.