I no longer have the phone that I used as a trusted phone number and I want to remove it but I forgot my Apple ID

Hello! There are a few ways you can find your Apple ID here:

If you forgot your Apple ID email address or phone number - Apple Support

If you forgot the Apple ID (iCloud) password, enter the Apple (iCloud) ID, and click Forgot Password. See if you can get a Rescue or Notification email option if necessary. Link to contact Apple Support at the end of the 2nd article.

Apple ID - Manage  -     

Apple ID – Forgot Password  *