Trace the number of No Caller ID
I had threat calls from No Caller ID. I did not know about the *57 or *69 options, so I called the Police Dpt immediately, now I cannot use those options. Since nothing worse than threat calls has happened so far, PD cannot do anything about it. 1) Does the cellphone provider have a record of this incoming call number? 2) When I use *69 on No Caller ID before I make another call, am I calling back the No Caller ID individual and the individual sees my call number? 3) Does *57 is the same as *69, plus it reports that information to PD? Thank you very much in advance.
iPhone XR, iOS 17