I don’t remember my trusted phone number how do I recover my I iCloud I was locked out

See if anything here helps.  If necessary, you can use account recovery as explained in the link at bottom of the article.

Verification code - how to get one and sign in with two-factor authentication.   *

If you can get a code and sign in, you need to change/add the number on your Apple ID. Look in the Security section when signed in online. You may have to add the new number before you can remove the old number. After the change, allow up to 24 hours for the change to sync. Before trying to make the change, sign out of Messages/FaceTime on all devices/computers.

Apple ID - Manage

Do you still have your recovery key? The process is quite different when you have a key, or when you haven't

When you have the recovery key

Go to your Apple ID account page on the web (login atApple website)

There will be a screen titled verify your identity, tick " can't access trusted devices there"

In the window that pops up, enter your recovery key,

After that you can remove the old trusted number

If you have lost the recovery key also

Go to your Apple ID account page on the web

Sign in with your password and a trusted device .

Go to security, and click replace lost key