Use the official reporting channel for the service or platform involved
Provide the full phone number, including country code if available
Include screenshots or call logs showing the number
State the date and time of the calls or messages
Describe the issue briefly, such as spam, scam, harassment, or impersonation
Block the number after reporting it
Report the number to your mobile carrier if needed
Report scam or fraud numbers to local authorities or consumer protection agencies
Use a spam-reporting feature on your phone if available
Keep any related messages or voicemails as evidence