How to change your Apple ID password when you no longer know your phone number for the two factor authentication
Contact Customer Support by phone or chat:
Enter the Apple (iCloud) ID, and click Forgot Password. See if you can get a Rescue or Notification email option. Link to contact Apple Support at the end of the 2nd article.
If you have 2 Factor Authentication enabled, you can use Account Recovery. The Recovery Process is an automated process and the length of time it takes can vary a lot. Apple ID Support can only answer your questions. They can't intervene in or speed up the process. The article below has some suggestions to shorten the time the process takes.
Apple ID - Recover your Apple ID with two-factor authentication account recovery. *
The only way to reset it instantly is to remember the password and sign into your Apple ID.
Forgot password
