Published:
February 15, 2026
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4
min read
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Quick Answer: To stop scam calls, enable your phone's built-in spam filtering, activate your carrier's free call-blocking service, and register with the Do Not Call Registry.
Robocall technology makes it cheap for scammers to dial millions of numbers automatically. Advances in artificial intelligence have made voice-cloning as simple as clicking a button. After years of filling out digital forms and providing your phone number to various vendors who may have been hacked themselves or sold it to data brokers, you should assume that scammers can identify your number if they want. You might be in an ideal demographic for a particular type of scam call or perhaps your number was just randomly generated. The good news: you have more control than you might think.
iPhone: Settings > Apps > Phone > Silence Unknown Callers
Android: Phone app > Settings > Caller ID & spam > Filter spam calls
Learn more: Block Scam Calls on iPhone & Android
Carriers are incentivized to connect calls and not to verify them, but they are the gatekeepers to your phone number. You can check with your carrier about what kind of additional scam or spam prevention they provide to their customers.
Visit DoNotCall.gov or call 1-888-382-1222. This a free service managed by the FTC that allows consumers to add home or cell phone numbers to a list. While not blocking calls directly, it requires legitimate companies to remove registered numbers within 31 days, reducing unwanted sales solicitations from telemarketers. While this won't help with scams, it may help reduce spam volume.
Apps like Savi provide additional blocking, screening and filtering services for calls and SMS.
These services provide an additional layer of security and other features to quiet the noise and improve your digital daily life.
You can enable your phone's built-in spam filtering, activate your carrier's free call-blocking service, register with the Do Not Call Registry, and layer-on a apps built for scam call screening.
No, but they significantly reduce volume, which helps keep you safe.
Unknown calls will go to voicemail, so you may miss them, but they should not be blocked entirely and legitimate callers will leave a legitimate message so you know whether it's safe to call them back.
Stop the scam calls before they reach you with Savi.
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Enable automatic call blocking on iPhone and Android to silence unknown calls. Learn how to activate Silence Unknown Callers, carrier screening, and spam filters to stop scam calls before they ring.
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