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TipsMay 6, 2026

Effective Strategies to Reduce Fraudulent Calls on Your Mobile Phone

By The Robokiller Team

Effective Strategies to Reduce Fraudulent Calls on Your Mobile Phone

Fraudulent calls, including robocalls and scams, are a persistent nuisance for mobile phone users in the United States. These unwanted calls can disrupt daily life and pose significant security risks. Fortunately, there are several effective strategies to reduce these calls and protect your privacy.

What Are Fraudulent Calls and Why Are They a Problem?

Fraudulent calls encompass unsolicited telemarketing promotions, impersonation scams, and robocalls that aim to deceive individuals into providing personal information or money. These calls often use tactics such as mimicking trusted entities like banks or government agencies to gain trust. The impact ranges from constant interruptions to identity theft and financial loss. (mcafee.com)

How Can Built-In Phone Features Help Block Unwanted Calls?

iPhone Users:

  • Silence Unknown Callers: Navigate to Settings > Phone and enable "Silence Unknown Callers." This feature sends calls from numbers not in your contacts directly to voicemail. (us.norton.com)

  • Block Specific Numbers: Open the Phone app, go to Recents, tap the information icon next to the number you wish to block, and select "Block this Caller." (us.norton.com)

Android Users:

  • Enable Spam Protection: Open the Phone app, tap the three-dot menu, go to Settings > Caller ID & Spam, and enable "Caller ID & Spam" to receive warnings about potential spam calls. (malwarebytes.com)

  • Block Specific Numbers: In the Phone app, go to Recents, press and hold the suspicious number, then choose "Block/report spam." (malwarebytes.com)

What Carrier Services Are Available to Block Fraudulent Calls?

Major U.S. carriers offer services to help block unwanted calls:

  • AT&T: Provides Call Protect, which identifies and blocks potential fraud calls. (consumerreports.org)

  • T-Mobile: Offers Scam Shield, which includes Scam ID and Scam Block features to detect and block scam calls. (consumerreports.org)

  • Verizon: Provides Call Filter, which detects and blocks spam and robocalls. (consumerreports.org)

How Do Third-Party Apps Enhance Call Blocking?

Third-party apps can provide robust scam call-blocking solutions, often with customizable features and real-time spam databases. Popular scam call-blocker apps like Truecaller, Nomorobo, and Hiya block known scammers, identify spam, and crowdsource reports to stop emerging threats. (avast.com)

What Additional Steps Can I Take to Reduce Fraudulent Calls?

  • Register with the National Do Not Call Registry: Adding your number to the Federal Trade Commission’s (FTC) Do Not Call Registry can help reduce calls from legal telemarketers. (avg.com)

  • Remove Your Number from Data Broker Sites: People-search and data broker websites often sell phone numbers to marketers, and scammers can get them too. Use opt-out forms on popular data sites to remove your number. (malwarebytes.com)

  • Change Your Phone Number: If other methods haven’t worked, consider changing your number. This is a more drastic step and should be used as a last resort. (avast.com)

How Does RoboKiller Compare to Other Call Blocking Solutions?

RoboKiller is a leading call-blocking app that uses advanced algorithms and a vast database of known scam numbers to effectively block unwanted calls. Unlike some carrier services and other apps, RoboKiller offers customizable features, such as personalized block lists and the ability to create custom block rules. Additionally, RoboKiller provides real-time spam call detection and reporting, ensuring that users are protected against emerging threats. (avast.com)

By implementing these strategies, you can significantly reduce the number of fraudulent calls you receive, enhancing your mobile experience and protecting your personal information.

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