How To Stop Spam Calls for Good

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Spam calls and robocalls are completely out of control. If you’re looking for ways to stop them (and who isn’t?), we’ve got some options for you.

How To Stop Getting Spam Calls

For a number of years, spam calls were relatively few and far between for most people. The National Do Not Call Registry worked well for a while. Legitimate companies were generally very compliant, and the violations that did occur were rare. Those that did violate the law were subject to heavy fines. While it isn’t a perfect system, I do still recommend adding your number to the registry to reduce some spam calls.

In 2020, the Federal Communications Commission issued a mandate for all voice service providers to implement the robocall-fighting “STIR/SHAKEN” technology by June 30, 2021, according to a news release. We’ll explain in a bit exactly what that means.

But still, the number of spam calls continues to rise. More than 50 billion spam calls went out in 2021, according to the YouMail Robocall Index.

It’s gotten to the point that you need every advantage you can get to keep the robocallers at bay. In this article, we’ll take a look at what’s out there to help you with ending spam calls in your life.

Table of Contents

Comparing the Major Carriers on Robocall Blocking

CarrierProduct and Price
AT&T
  • ActiveArmor Basic: Free

  • ActiveArmor Advanced: $3.99/month per line
T-Mobile
  • Scam Shield: Free
  • Scam Shield Premium: $4/month per line
Verizon
  • Call Filter: Free
  • Call Filter Plus: $2.99/month for one line or $7.99/month for 3+ lines

All major carriers offer some kind of basic free protection, along with paid upgrades. Here’s a summary of what’s available.

AT&T: ActiveArmor

AT&T logo

AT&T has merged Call Protect with its new ActiveArmor Mobile Security app. Through ActiveArmor, AT&T has continued to expand the scope of its original Call Protect program to include automatic fraud blocking, suspected spam-call alerts, additional device security and more.

As an analytics-based blocking program, AT&T says that ActiveArmor allows it to determine whether an incoming call is legitimate or part of a scam or other robocall scheme.

According to AT&T, here’s how it works: “ActiveArmor is the combination of our 24/7 network protection with built-in, patented security technology that proactively detects and prevents threats, plus additional security apps and solutions. Together, these capabilities help safeguard our wireless, fiber, and internet customers’ devices and data.”

AT&T’s basic robocall-blocking software is included for free with every plan. It includes auto fraud call blocking, spam risk blocking, nuisance call alerts and controls, unknown calls to voicemail, personal block lists, device security and breach reports. 

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You may also choose to upgrade to the advanced software for $3.99 per month per line. It includes all the key features of the basic software plus public Wi-Fi protection, identity monitoring, reverse number lookup, caller ID, safe browsing and theft alerts (Android only). 

T-Mobile: Scam Shield

tmobile store

T-Mobile also has a robocall-blocking feature, Scam Shield, to protect customers from unwanted spam calls. Among its features:

  • Free scam ID and blocking will flag suspicious calls and let you block them.
  • Free enhanced caller ID will show verification if it’s a real person or business.
  • A free second number is available so you can keep your personal number personal.
  • You can get a free number change if scammers do become problematic.

Scam Shield is available for T-Mobile postpaid customers, Metro by T-Mobile customers and Sprint customers.

While Scam Shield is free, an upgraded service called Scam Shield Premium is available for $4 per month (free for customers with Magenta Plus).

Scam Shield Premium will let you send telemarketing calls to voicemail, set up “always block” lists, enable reverse phone number lookup and get voicemail-to-text services.

Verizon: Call Filter

Verizon store

Verizon offers both free and paid options to reduce unwanted robocalls in your life.

On the free side, the Call Filter service helps to identify and block robocalls. Verizon customers get alerts when a spam call is suspected and they can report unsolicited numbers. In addition, the service will automatically block robocalls based on your preferred level of risk.

Here’s a full list of features included for free with Verizon’s Call Filter:

  • Spam detection
  • Spam filter
  • Spam & blocked call log
  • Allow numbers (iOS only)
  • Report Spam
  • Neighborhood filter

A paid upgrade, called Call Filter Plus, is $2.99 per month for one line or $7.99 per month for three or more lines. In addition to just spam detection, blocking and reporting, the paid version lets you create a personal robocall block list and gives you access to a robocall risk meter and spam number lookup feature, among other things.

You can learn more about both the free and paid options here.

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Free Third-Party Apps: Truecaller, Call Control, Hiya and YouMail

In addition to signing up for the National Do Not Call Registry and checking out your service provider’s free call protection software, there are tons of apps on the market now targeted toward blocking robocalls. 

Unfortunately, not every call blocking app is free. Even the ones that are free are difficult to accurately compare. Still, we’ve researched several robocall-blocking apps to find the highest-rated options that offer free call blocking, and here are a few of the best options we’ve found.

 Key FeaturesRating:Price:
Truecaller- Spam call & SMS identification
- Reverse lookup
- In-app calling and messaging
App Store: 4.5 stars from 251.4K reviews
Google Play: 4.5 stars from 17.8M reviews
Basic: Free
Premium: $1.99 monthly or $17.99 annually
Call Control- Block calls on your home phone
- Blocklist and block anyone
- Search any number
App Store: 4.5 stars from 5.5K reviews
Google Play: 4.2 stars from 110K reviews
Basic: Free
Premium: $9.99 quarterly or $29.99 annually
Hiya- Spam protection & reverse search
- Caller ID & call blocker
- Manage contacts to keep them up-to-date
App Store: 4.5 stars from 219.3K reviews
Google Play: 4.2 stars from 252K reviews
Basic: Free
Premium: $2.99 monthly or $14.99 annually
YouMail- Blocks robocalls
- Identifies voicemail spam
- Visual voicemail to text
App Store: 4.7 stars from 90.5K reviews
Google Play: 4.4 stars from 104K reviews
Basic: Free
Premium: $5.99 monthly

Truecaller is very highly rated on the Google Play store from millions of users. It offers protection against fraudulent calls and SMS text messages with the free plan. For $1.99 monthly, you can upgrade to premium features. 

Call Control offers call blocking on your home phone and allows you to create a personalized blocklist. Like Truecaller, its features also include reverse lookup for spam numbers. 

YouMail uses a robust Robocall Index to identify “bad” numbers and block them from your phone. Other free features include accurate caller ID and custom voicemail greetings.

Hiya uses an algorithm that determines if there is a phone number making thousands of brief phone calls. Additionally, app users can report fraudulent phone numbers.

A Look at the Tech Behind Robocall Blocking: SHAKEN and STIR-red

Curious about how all this robocall-blocking technology works? Two technologies, in particular, came into play last year:

  • Signature-based Handling of Asserted information using toKENs (SHAKEN)
  • Secure Telephone Identity Revisited (STIR)

They’re dual tech efforts that aim to verify a given call originates from the number that it says it does. The key is the use of “token technology: creating a digital signature as a stamp of approval when a call originates.

Unfortunately, the two technologies won’t out-and-out block robocalls when used in concert. What they will do is show some mark of verification on your phone to indicate that a call is legitimately coming from the number you see displayed.

Final Thoughts: What You Can Do To Stop Spam Calls

Money expert Clark Howard says that if you’re in the habit of answering suspicious or unknown calls, it’s easy to fall prey to phone scams.

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“I had a phone call come in that said it was from Bank of America,” Clark said on a podcast. “I don’t do business with Bank of America, so I knew it was a ‘pretexting’ call, a fake call. But what if I was a customer of BOA and I see that come up on caller ID, I might be more apt to answer it, right?

“Consider following my rule. It’s a simple rule: If I don’t recognize the number as being from someone I know, I do not answer the call.”

In addition to not answering calls from callers that you don’t know, here are a few things that you can do to reduce spam and robocalls:

  1. Sign up for the National Do Not Call Registry. While it isn’t going to block every spam call coming through, this will help you avoid the most well-known scammers and robocallers.
  2. Check out what’s available from your service provider. Now, all service providers are required by the FCC to have robocall-fighting technology, but each provider may offer additional free or paid features. Even if you aren’t with one of the major three providers, I recommend looking into what call blocking features you do have access to. For example, Spectrum offers Call Guard and T-Mobile’s Scam Shield is available to Metro by T-Mobile customers.
  3. Try a free third-party app. If too many spam calls are still getting through, try downloading a free app like Truecaller, Call Control, Hiya or YouMail.
  4. Silence unknown callers. This option is a bit risky because you could miss an important call from a doctor’s office or a contractor, but many phones will allow you to silence any calls coming through from numbers that aren’t in your contact list. A quick Google search will show you exactly how to silence unknown callers on an iPhone or Samsung Phone.
  5. Try a paid robocall blocking app. In addition to free apps, there are premium features and paid apps that offer additional protection against spam calls. A few highly-recommended apps that didn’t make my earlier list simply because they’re paid-only include Robokiller, Mr. Number and Nomorobo.

Are you sick of spam calls? Share your opinion in our Clark.com Community.

More Cell Phone Resources Clark.com:

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