A message with a verification code has been sent to your devices. Enter the code to continue. Didn’t get a verification code?
But now i have a different phone Number anD differnet device. anD i want to change number anD USA the old account.
Did you try some of the other options in the article?
If necessary, there is a contact link.
Apple Support by e-mail or chat
Or fill out and submit this form. The form is for iTunes, but it will get passed to the ID Support section.