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TipsMay 6, 2026

Effective Strategies to Reduce Spam Calls on Your US Phone Number

By The Robokiller Team

Effective Strategies to Reduce Spam Calls on Your US Phone Number

Spam calls are a persistent nuisance for many phone users in the United States. These unsolicited calls can range from telemarketing pitches to fraudulent schemes, often leading to privacy invasions and potential financial loss. Fortunately, there are several effective strategies to reduce these interruptions.

What Are Spam Calls and Why Are They a Problem?

Spam calls, also known as robocalls, are automated phone calls that deliver pre-recorded messages. They can be used for telemarketing, scams, or other unsolicited purposes. The Federal Trade Commission (FTC) reports that robocalls are the top consumer complaint to the Federal Communications Commission (FCC). (consumer.ftc.gov)

How Can I Block Spam Calls on My Smartphone?

For iPhone Users:

  1. Enable Silence Unknown Callers: This feature sends calls from unknown numbers directly to voicemail.
  • Go to Settings > Phone > Silence Unknown Callers and toggle it on. (techradar.com)
  1. Use Built-in Call Blocking: Manually block specific numbers by opening the Phone app, tapping the information icon next to the number, and selecting Block this Caller. (avg.com)

For Android Users:

  1. Activate Spam Call Filtering: Many Android phones offer built-in spam call filtering.
  • Open the Phone app, tap the three dots > Settings > Caller ID & Spam, and enable Filter spam calls. (androidauthority.com)
  1. Manually Block Numbers: To block a specific number, open Recents, touch and hold the number, then choose Block/report spam. (androidauthority.com)

Are There Carrier Services to Help Block Spam Calls?

Yes, major U.S. carriers offer services to help reduce spam calls:

  • AT&T: Offers ActiveArmor, which provides spam call blocking and fraud risk alerts. (androidauthority.com)

  • T-Mobile: Provides Scam Shield, which includes scam call blocking and caller ID features. (androidauthority.com)

  • Verizon: Offers Call Filter, which identifies and blocks spam calls. (androidauthority.com)

What Are Third-Party Apps That Can Help Block Spam Calls?

Several reputable apps can enhance your spam call protection:

  • RoboKiller: This app uses advanced algorithms to identify and block spam calls, and even answers them with pre-recorded messages to waste the caller's time. (kiplinger.com)

  • Hiya: Provides real-time spam detection and blocking, and integrates with your phone's native dialer. (androidauthority.com)

  • Truecaller: Offers a large database of known spam numbers and can block or warn about potential spam calls. (androidauthority.com)

How Effective Are These Methods in Reducing Spam Calls?

Combining multiple strategies—such as using built-in features, carrier services, and third-party apps—can significantly reduce the number of spam calls you receive. However, no method is entirely foolproof. It's essential to stay vigilant and avoid engaging with suspicious calls. (mcafee.com)

What Are Some Additional Tips to Avoid Spam Calls?

  • Register with the National Do Not Call Registry: While this won't stop all spam calls, it can reduce the number of legitimate telemarketing calls you receive. (consumer.ftc.gov)

  • Don't Answer Unknown Numbers: Let unfamiliar numbers go to voicemail. If it's important, the caller will leave a message. (consumer.ftc.gov)

  • Be Cautious with Your Phone Number: Limit sharing your number online and be mindful of where you provide it.

By implementing these strategies, you can significantly reduce the number of spam calls you receive and protect your privacy.

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