For details about account recovery, read this document --> How to use account recovery when you can’t reset your Apple ID password - Apple Support
Check the status of your request
At any time, you can see how long it will be until your account is ready for recovery, or when more information will be available. Just go to https://iforgot.apple.com and enter your Apple ID.
"In some cases, you might be able to speed up the account recovery process or reset your password immediately by verifying a six-digit code sent to your primary email address. You might also be able to shorten the wait time by providing credit-card details to confirm your identity. If you’re given this option, an authorization request goes to the card issuer.*"