Your account has two-factor authentication turned on, and the code is still going to your old phone number. Since you can’t get that code, you’ll need to go through your email provider’s account recovery process. Simply go to their official "Forgot password" or "Recover account" page, choose the option that says you don’t have access to the phone, and follow the steps they give. They might let you use a recovery email, answer security questions, or verify your identity with details about the account.
If none of those work, keep going with the recovery request sometimes they’ll review it manually, which can take a few days. The main thing is to only use the official website for recovery and avoid any third-party "unlock" services, as they’re often scams to used you can check this https://ordersoftwarekeys.com/.