Why can't I access my Apple ID after my Yahoo account was disabled?

Apple Support are the only folks that can get this sorted, as they have access to information we do not.

If the Yahoo email account is blocked, then the associated Apple Account may not be recoverable.

Gartuoso wrote:

Hello. A Yahoo email account was disabled (2 years lack of use) and soon after Apple ID (the Yahoo.com.br account). Since then I have tried to recover or regain access, but only message I get is "This account is blocked and cannot be used". The only Apple support which helped was telephone were I got the info that account could possibly be deleted, but got no answers to why no account recovery info is being sent to phone number or even back-up email. I have been asked to have handy the receipt (it's available), but there's no place to submit such a query because most of the support is self-help. Lastly, for some unknown reason even a new Apple ID creation is a challenge (maybe due to user similarity), but an invalid Apple ID now is the same a No Apple ID.

If your Apple Account is locked, not active, or disabled - Apple Support