Fraudulent calls, including robocalls and scams, are a significant nuisance in the United States, with Americans receiving over 52.5 billion robocalls in 2025. (antivirus.com) Fortunately, there are effective free solutions to help block these unwanted calls.
What Are the Best Free Carrier Services for Blocking Fraud Calls?
AT&T ActiveArmor
AT&T offers ActiveArmor, a free service that identifies and blocks potential fraud calls. It displays a "V" (for verified) on your caller ID for legitimate calls and provides a busy signal for potentially fraudulent ones. Spam calls are labeled as "Suspected Spam" with categories like Political, Nonprofit, Telemarketer, Survey, or Robocaller. (consumerreports.org)
T-Mobile Scam Shield
T-Mobile provides Scam Shield, which includes Scam ID and Scam Block. Scam ID tags suspicious calls, while Scam Block proactively blocks them before they ring. Customers can activate these features for free by dialing #ONI# (#664#) for Scam ID and #ONB# (#662#) for Scam Block. (consumerreports.org)
Verizon Call Filter
Verizon's Call Filter automatically enrolls eligible customers in a free version that detects spam and blocks high-risk calls. This service is available on a wide variety of phones. (consumerreports.org)
What Are the Top Free Third-Party Apps for Blocking Fraud Calls?
Hiya
Hiya is a free app that utilizes a collaborative database of recognized spam numbers to block robocalls and spam calls. Users can also report suspicious calls, contributing to the app's effectiveness. With a global user base of 100 million and over 10 billion blocked robocalls, Hiya is a reliable choice. (antivirus.com)
Truecaller
Truecaller offers a free app that not only blocks robocalls and spam calls but also provides caller ID, spam detection, and call recording features. It boasts a worldwide user count of 250 million and an impressive record of blocking 25 billion robocalls. (antivirus.com)
Mr. Number
Mr. Number is a free app that effectively halts robocalls and spam calls, allowing users to block specific numbers. With a global user base exceeding 10 million and over 1 billion blocked robocalls, it proves its efficiency. (antivirus.com)
How Does RoboKiller Compare to Free Options?
RoboKiller is a paid solution that employs diverse methods, including blacklisting, whitelisting, and identification, to prevent robocalls and spam calls. Beyond call blocking, it offers versatile features like call screening, forwarding, and voicemail transcription. While RoboKiller provides comprehensive protection, free options like Hiya and Truecaller offer substantial features without cost. (antivirus.com)
How Can I Report Spam Calls to Authorities?
To report spam calls, you can file a complaint with the Federal Trade Commission (FTC) through their website. Additionally, you can register your number on the National Do Not Call Registry to reduce unsolicited calls. (whocalledus.net)
What Are Additional Tips to Prevent Fraud Calls?
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Do Not Answer Unknown Numbers: Avoid answering calls from unfamiliar numbers to prevent potential scams.
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Use Call Blocking Features: Utilize built-in or third-party call blocking features to filter out unwanted calls.
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Stay Informed: Keep yourself updated on common scam tactics to recognize and avoid them.
By leveraging these free carrier services and third-party apps, you can significantly reduce the number of fraudulent calls you receive, enhancing your phone's security and your peace of mind.
