What are the best apps to block spam calls in the United States?

Top apps include Truecaller, Hiya, and RoboKiller, each offering unique features to identify and block spam calls.

How can I report spam calls to improve blocking services?

You can report spam calls through your carrier's app or customer service, and through apps like Truecaller and Hiya, which allow users to report spam numbers.

Are there free options available to block spam calls?

Yes, carriers like AT&T, T-Mobile, and Verizon offer free spam call blocking features, and apps like Hiya provide free versions with basic spam blocking and caller ID features.

Protecting Your Phone Number from Spam Calls in the United States: Top Solutions for Everyday Users

Spam calls 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 disruptive and, at times, fraudulent. Fortunately, there are several effective methods to protect your phone number from such intrusions. This guide explores carrier services, built-in smartphone features, and top-rated apps to help you maintain your privacy and peace of mind.

What Carrier Services Are Available to Block Spam Calls?

Major U.S. carriers offer built-in services to help identify and block spam calls:

AT&T: Provides Call Protect, which displays a "V" (for verified) on your caller ID for legitimate calls and blocks potentially fraudulent ones by giving a busy signal. (consumerreports.org)
T-Mobile: Offers Scam ID and Scam Block. Scam ID identifies and tags suspicious calls, while Scam Block blocks calls before they ring. (consumerreports.org)
Verizon: Features Call Filter, which provides basic spam detection built into the Verizon app. (consumerreports.org)

How Can Built-In Smartphone Features Help Block Spam Calls?

Both Android and iOS devices have integrated features to combat spam calls:

Android: The Google Phone app includes a spam filter that identifies and blocks suspected spam calls. Users can enable this feature by navigating to the Phone app's settings and selecting "Spam and Call Screen." (whocalledus.net)
iOS: iPhones allow users to block specific numbers and enable silence for unknown callers, sending them directly to voicemail. This can be configured in the Phone settings under "Silence Unknown Callers."

What Are the Best Third-Party Apps to Block Spam Calls?

Several third-party applications offer advanced spam call blocking features:

Truecaller: Utilizes a vast global database to identify and block spam calls. It provides real-time caller ID and smart SMS filtering. (fone.tips)
Hiya: Partners with major carriers like AT&T and T-Mobile to offer spam and fraud protection. It automatically blocks robocalls and provides reverse phone lookup. (en.wikipedia.org)
RoboKiller: Blocks 99% of robocalls and can even waste scammers' time with AI "Answer Bots." (whocalledus.net)

How Does RoboKiller Stand Out Among Competitors?

RoboKiller offers unique features that set it apart from other spam call blocking apps:

AI-Powered Answer Bots: Engage with spam callers using pre-recorded messages, wasting their time and reducing the number of calls you receive.
High Block Rate: Claims to block 99% of robocalls, providing comprehensive protection. (whocalledus.net)
User-Friendly Interface: Offers an intuitive design that makes managing blocked calls and settings straightforward.

Are There Any Free Options for Blocking Spam Calls?

Yes, several free options are available:

Carrier Services: As mentioned, AT&T, T-Mobile, and Verizon offer free spam call blocking features. (consumerreports.org)
Hiya: Provides a free version with basic spam blocking and caller ID features. (fone.tips)
Google Phone App: Android users can utilize the built-in spam filter at no additional cost. (whocalledus.net)

How Can I Report Spam Calls to Help Improve Blocking Services?

Reporting spam calls can enhance the effectiveness of blocking services:

Carrier Reporting: Many carriers allow users to report spam numbers directly through their apps or customer service channels.
App Reporting: Apps like Truecaller and Hiya enable users to report spam numbers, contributing to their global databases. (fone.tips)

Conclusion

Protecting your phone number from spam calls is essential for maintaining privacy and reducing unwanted interruptions. By leveraging carrier services, built-in smartphone features, and top-rated apps like RoboKiller, you can effectively block spam calls and safeguard your personal information. Remember to choose the solution that best fits your needs and preferences.