It may be possible for your AOL account to be removed or become inaccessible, depending on a variety of circumstances. If this happens, you can create a new AOL account. However, your old username won't be available for you to use again.
The following actions can result in an account being deleted:
Use the account recovery flow to confirm if your account was deleted - If your account doesn't exist anymore, you'll get a prompt indicating it has either been deactivated or that you can't reset your password online.