Stay protected from robocallers and scammers with Truecaller. Our famous Caller ID tells you who is calling you and why, so you can decide whether to pick up the call or not. Use the Powerful Dialer for reverse number lookup and to call friends and family in your contacts. Truecaller will also identify and warn you about robocallers, scammers, fraudsters, telemarketers and other unwanted or unknown phone numbers. The Advanced Spam Detector will automatically block and protect you from unwanted calls and SMS. To help you stay safe, the phone numbers on this spam list are updated in real time by millions of users worldwide.