I'm not sure how but I was signed out of the app and my verification number reverted back to a numbers that I no longer use. How can I recover them? Please tell me there's a way. Both numbers are not active so there's no calling them hoping the new owners would help.
Try to recover your Yahoo Mail account using the Sign in Helper. Enter your Yahoo email address and click on "Continue".
The Sign in Helper will show you all the recovery methods registered on your account, such as your phone number and alternate email address. Select the recovery method you've access and follow the instructions.