Check your phone’s recent call log for any available details
Use your carrier’s call trace or anonymous call tracing service if available
Contact your mobile provider and ask about options for identifying blocked calls
Enable spam and caller ID protection features in your phone settings
Use a call-blocking or caller ID app that can identify unknown numbers
Ask the caller to leave a voicemail, which may reveal their identity
If the calls are harassing, report them to your carrier or local authorities
Save dates, times, and any voicemail recordings as evidence
Do not answer or engage if you suspect the call is suspicious
Consider changing your number or using call filtering if the calls continue