how does number porting work with cancelling old service?

[NY Tel Guy]

ok, I am new at this number porting thing, but I finally got my porting date of 3/19 and it seems to have ported. On 3/20, I got an e mail from ATTcv regarding my request to disconnect service which I assumed was part of the porting process. I believe that my port is complete so I called ATTCV this morning to cancel service. I was told that the request is still in process and that if I cancel, I could lose the number. I was informed that once the entire porting process is complete that I will receive a second e mail from ATTCV and that then the account will be cancelled and that no further billing will occur. I was also told that this could take 15 to 30 days.
Does anyone know the procedure with ATTCV? Was the rep that I spoke to correct? I am so F,n tired of paying both of these companies, I could scream.
If I wanted to pay 2 VOIP bills each month for one line, I would have just kept my land line. It would have been cheaper and less problematic.

Thanks

Can you access your AT&T Control by Phone local access number and when you try it, does it give you access to the control panel or does it say "Invalid entry, please try again"?

If you get the Invalid entry recording , your account is closed.