By default you can set the "lost mode" message. many people put their contact info into it, in case someone wants to be helpful. This is how these scammers get

By default you can set the "lost mode" message. many people put their contact info into it, in case someone wants to be helpful. This is how these scammers get this info. There is no other way to get the icloud contact info from a phone with a PIN/password.