Scam calls, often labeled as "Scam Likely," are a pervasive issue in the United States, with Americans receiving over 52.5 billion robocalls in 2025 alone. (antivirus.com) These unsolicited calls can be both disruptive and potentially harmful. Fortunately, there are effective call blockers available that require minimal maintenance and are user-friendly.
What Are Scam Calls and Why Are They a Problem?
Scam calls are unsolicited communications from individuals or automated systems attempting to deceive recipients into providing personal information, money, or access to their devices. They often appear as "Scam Likely" on caller IDs, making them easily identifiable. The prevalence of these calls has led to significant financial losses, with Americans losing approximately $40 billion to phone scams in 2022. (currently.att.yahoo.com)
How Do Call Blockers Work?
Call blockers utilize various technologies to identify and block unwanted calls:
-
Caller ID Analysis: By examining incoming numbers, call blockers can detect patterns associated with scam calls.
-
Community Reporting: Many apps rely on user-generated data to identify known scam numbers.
-
AI and Machine Learning: Advanced algorithms analyze call behaviors and content to predict and block potential scams.
What Are the Top Call Blockers for Everyday Users?
For users seeking effective call blockers that require minimal maintenance, the following options are highly recommended:
1. Robokiller
Robokiller is a leading call-blocking app that boasts a 99% success rate in blocking spam calls and texts. It employs predictive algorithms and machine learning to identify and block scam calls, even those not yet in its global blocklist. Additionally, Robokiller features "Answer Bots" that engage scammers, wasting their time and preventing them from targeting other users. (robokiller.com)
2. T-Mobile's Scam Shield
T-Mobile offers Scam Shield, a free service that automatically blocks "Scam Likely" calls at the network level. Users can activate this feature by dialing #662# from their T-Mobile device. Scam Shield also provides caller ID and call verification, allowing users to see who is calling and when a call is authenticated by the T-Mobile network. (t-mobile.com)
3. Verizon's Call Filter
Verizon provides Call Filter, which automatically blocks known scam numbers and lets users create custom block lists. Caller ID displays the risk level of unknown calls, helping users make informed decisions. The basic version is free, with advanced features available for a monthly fee. (consumerreports.org)
4. AT&T's ActiveArmor
AT&T offers ActiveArmor, which automatically blocks suspected fraud calls and displays spam call warnings on caller ID. It also provides reverse number lookup for unknown callers. The basic plan is free, with additional features available for a monthly fee. (consumerreports.org)
5. Hiya
Hiya is a call-blocking app that identifies and blocks spam and robocalls. It offers reverse phone lookup to identify unknown callers and warns about potential scam calls. The basic version is free, with a premium version offering enhanced spam protection. (famisafe.wondershare.com)
How Do These Call Blockers Compare?
When evaluating these call blockers, consider the following factors:
-
Effectiveness: Robokiller leads with a 99% success rate in blocking spam calls and texts. (robokiller.com)
-
Carrier Integration: T-Mobile's Scam Shield, Verizon's Call Filter, and AT&T's ActiveArmor are integrated with their respective networks, offering seamless protection. (consumerreports.org)
-
User Experience: Apps like Hiya and Robokiller provide user-friendly interfaces with additional features like reverse phone lookup and spam call warnings. (famisafe.wondershare.com)
How Do I Set Up a Call Blocker?
For Robokiller:
- Download the app from the App Store or Google Play Store.
- Follow the on-screen instructions to set up and activate the service.
For Carrier Services:
-
T-Mobile: Dial #662# from your T-Mobile device to activate Scam Shield. (t-mobile.com)
-
Verizon: Download the Call Filter app from the App Store or Google Play Store and follow the setup instructions. (consumerreports.org)
-
AT&T: Visit your myAT&T account overview, navigate to "My Digital Phone," and select "Call Protect" to activate the service. (consumerreports.org)
Are There Any Limitations to These Call Blockers?
While these call blockers are effective, no solution is entirely foolproof. Some legitimate calls may be mistakenly blocked, and scammers continually adapt their tactics. It's essential to stay vigilant and consider using multiple layers of protection.
Conclusion
For everyday users in the United States seeking to block scam calls without constant maintenance, Robokiller stands out as a comprehensive solution. Its high success rate, advanced features, and user-friendly interface make it a top choice. Carrier-integrated services like T-Mobile's Scam Shield, Verizon's Call Filter, and AT&T's ActiveArmor also offer effective protection with minimal setup. By selecting the right call blocker, you can significantly reduce unwanted scam calls and enhance your phone's security.
