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TipsMay 6, 2026

How to Identify and Block Spam Calls on Your Phone

By The Robokiller Team

How to Identify and Block Spam Calls on Your Phone

Spam calls are a common nuisance, often leading to scams or unwanted solicitations. Fortunately, there are several strategies you can employ to identify and block these calls on your smartphone.

Built-in Features on Your Smartphone

For iPhone Users:

  • Silence Unknown Callers: This feature sends calls from unknown numbers directly to voicemail. To activate it:
  1. Open Settings.
  2. Scroll down and tap on Phone.
  3. Toggle on Silence Unknown Callers.

This method helps reduce interruptions from unknown numbers, though it may also silence calls from new contacts. (techradar.com)

For Android Users:

  • Caller ID & Spam Protection: Many Android devices offer built-in spam protection. To enable it:
  1. Open the Phone app.
  2. Tap the three-dot menu icon and select Settings.
  3. Choose Caller ID & Spam.
  4. Toggle on See caller and spam ID and Filter spam calls.

This feature identifies and warns you about potential spam calls. (support.google.com)

Third-Party Apps for Enhanced Protection

For more robust spam call blocking, consider using third-party applications:

  • Robokiller: This app uses a global database of analyzed calls and machine learning to identify and block spam calls before they reach you. It also offers Answer Bots to engage spam callers, wasting their time and reducing future spam. (mcafee.com)

  • Truecaller: Utilizing a community-sourced database, Truecaller identifies and blocks spam calls and messages. It provides real-time alerts and allows users to report spam numbers, enhancing its effectiveness. (mcafee.com)

  • Hiya: Hiya offers spam and scam call blocking, along with caller ID features. It integrates with your device to provide real-time alerts and allows users to block specific numbers. (mcafee.com)

Carrier Services

Many mobile carriers provide additional spam protection services:

  • AT&T Call Protect: This service automatically identifies and blocks suspected spam calls. (howtogeek.com)

  • Verizon Call Filter: Verizon offers a service that identifies and blocks potential spam calls, with options for reporting and managing blocked numbers. (mcafee.com)

Best Practices to Avoid Spam Calls

  • Do Not Engage: Avoid answering calls from unknown numbers. If it's important, the caller will leave a voicemail.

  • Register with the National Do Not Call Registry: This federal service allows you to opt out of receiving unsolicited sales calls.

  • Be Cautious with Your Number: Limit sharing your phone number online and with untrusted sources to reduce the likelihood of it being added to spam call lists.

Conclusion

Identifying and blocking spam calls involves a combination of utilizing built-in smartphone features, third-party applications, and carrier services. By implementing these strategies, you can significantly reduce unwanted interruptions and protect yourself from potential scams.

For a visual guide on identifying spam calls, you might find this video helpful:

How to IDENTIFY a SPAM call

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