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Devicology > Blog > Guide > How To Block Spam Calls On iPhone And Silence Unknown Callers
Guide

How To Block Spam Calls On iPhone And Silence Unknown Callers

Vishwajeet Jaiswal
Last updated: April 19, 2025 2:10 pm
By Vishwajeet Jaiswal
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5 Min Read
How To Block Spam Calls On iPhone And Silence Unknown Callers
How to silence unknown calls on iPhone and block spam calls
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Easy Ways to Stop Spam Calls on iPhone

These days, most iPhone users are getting many calls from unknown numbers. These calls are usually from marketing companies, fake offers, or scams. They not only disturb you but can also be a risk to your privacy and safety.

Contents
  • Easy Ways to Stop Spam Calls on iPhone
    • Block the number that keeps calling
    • Silence unknown callers automatically
      • How to turn it on:
    • Use third-party apps
    • Ask your mobile company for help
    • Register your number on NDNC (National Do Not Call)
      • How to register:
    • Don’t pick up unknown numbers
  • FAQs
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If you are also searching for how to stop spam calls on iPhone, then try these easy methods below.

  1. Block the number that keeps calling

If a certain number calls you again and again, you can block it on your iPhone.

How to do it:

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How To Block Spam Calls On iPhone And Silence Unknown Callers
How To Block Spam Calls On iPhone And Silence Unknown Callers
  • Open the Phone app
  • Go to Recent Calls
  • Tap the (i) icon next to the number
  • Tap “Block Caller”
  • Then tap “Block Contact”

This works well if the same number is calling again and again. But spammers often use new numbers, so this is not always enough

Note: If you want to unblock any user the you can easily do it buy following the same step, but this time instead of block caller option, you’ll find the option “Unblock Caller”, simply click on it and done, now the user you have unblocked, can easily contact you.

  1. Silence unknown callers automatically

iPhone has a feature called Silence Unknown Callers. It sends unknown numbers straight to Voicemail and doesn’t ring.

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How To Block Spam Calls On iPhone And Silence Unknown Callers
How to silence unknown calls on iPhone and block spam calls

How to turn it on:

  • Open Settings
  • Tap on “Phone”
  • Tap on “Silence Unknown Callers”
  • Turn the toggle ON

This stops calls from numbers that are not saved in your contacts. But if someone important calls from a new number, their call might get missed.

  1. Use third-party apps

There are apps on the App Store that help block spam calls. Some popular ones are:

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  • Truecaller
  • RoboKiller
  • Hiya

These apps check if the call is from a known spam number and block it. After downloading, you need to give the app permission in your iPhone call settings.

  1. Ask your mobile company for help

In India, mobile companies like Airtel, Jio, and Vi give spam call blocking services to users.

You can call customer care and ask if they have a DND (Do Not Disturb) or blocking service. This helps a lot when new spam numbers keep calling.

  1. Register your number on NDNC (National Do Not Call)

The Indian government has a service to stop marketing calls. It’s called NDNC.

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How to register:

  • Go to: www.donotcall.gov
  • Click on “Register Your Phone”
  • Fill in the form and submit
  • Click the confirmation link in your email

You can also report spam calls by calling 1-888-382-1222.

  1. Don’t pick up unknown numbers

If a call comes from a number you don’t know, it’s best not to answer.

Sometimes, spam callers just want to check if your number is real. If you answer, they may keep calling or sell your number to others.

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It’s not possible to stop all spam calls on iPhone. But using these steps, you can reduce them a lot.

The best way to block spam calls on iPhone is by using Silence Unknown Callers and helpful apps like Truecaller. Also, check with your mobile provider for more help.

If you want fewer spam calls, try these tips now and enjoy some peace.

FAQs

Q1. Can I stop all spam calls forever on iPhone?
No, but you can reduce them using settings, apps, and help from your mobile company.

Q2. Will all unknown calls be blocked?
No, but Silence Unknown Callers sends most unknown calls to Voicemail.

Q3. Will I still get spam calls after NDNC registration?
Maybe a few, but much less than before.

Q4. What is the best app to block spam calls on iPhone?
Truecaller and RoboKiller are the most popular and useful.

ALSO READ: The Safe Way To Clean An iPhone Charging Port: User’s Guide

TAGGED:block callsblock spam calls on iPhoneblock spam calls on iPhone GuideDND serviceHow to block spam calls on iPhoneiPhone securityiPhone tipsNDNC registrationRoboKillerscam protectionSilence Unknown Callersspam callsStep by step guide to block spam calls on iPhoneTruecaller
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ByVishwajeet Jaiswal
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Hey, I’m Vishwajeet Jaiswal! Ever since I was a kid, I loved sharing the latest news with my friends. What started as a childhood habit has turned into a passion, and now I have the privilege of sharing insights on Tech, Sports, and iGaming with the world through the internet. Writing has always been a part of who I am, and it’s something I’m truly passionate about.
2 Comments 2 Comments
  • Esther565 says:
    April 20, 2025 at 1:34 pm

    Very good https://is.gd/tpjNyL

    Reply
  • Pingback: How to Enable Call Restriction on Android and Stop Unwanted Calls - Devicology

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