How to Stop Unknown Callers on iPhone: Ultimate Guide


In today’s digital world, receiving calls from unknown numbers has become a common annoyance for iPhone users. Whether it’s unsolicited sales calls, spam, or even harassment, dealing with unknown callers can be frustrating and intrusive. Fortunately, there are several effective methods to stop unknown callers on your iPhone. In this comprehensive guide, we’ll explore various techniques, settings, and apps that can help you regain control over your phone and put an end to unwanted calls.

1. Enable Silence Unknown Callers

One of the simplest ways to deal with unknown callers is to enable the Silence Unknown Callers feature on your iPhone. With this setting turned on, your phone will automatically silence calls from numbers that aren’t in your contacts, sending them directly to voicemail. This can provide immediate relief from unwanted interruptions.

2. Use Do Not Disturb Mode

Another handy feature on your iPhone is Do Not Disturb mode. By activating this mode, you can silence all incoming calls and notifications. However, you can also allow calls from your contacts to come through while blocking unknown callers. This is a great option if you don’t want to miss important calls but still want to avoid disturbances from unknown numbers.

3. Block Specific Numbers

If you frequently receive calls from a specific unknown number, you can block it on your iPhone. Blocking a number will prevent it from being able to reach you via phone calls, messages, and FaceTime. This is an effective way to stop persistent unwanted callers and regain peace of mind.

4. Report Unwanted Calls

If you’re constantly receiving calls from unknown numbers, reporting them can help not only you but also other iPhone users. Apple provides a built-in option to report spam and unwanted calls through the Phone app. By reporting these calls, you contribute to a community effort to combat spam and improve call blocking mechanisms.

5. Use Third-Party Call Blocking Apps

There are various third-party call blocking apps available in the App Store that can enhance the built-in call blocking capabilities of your iPhone. These apps offer additional features such as real-time call identification, call blocking databases, and advanced spam detection algorithms. Explore these apps to find the one that suits your needs best.

6. Enable Silent Unknown Callers on FaceTime

Unknown callers can also be a nuisance when it comes to FaceTime calls. To prevent unknown FaceTime callers from disturbing you, enable the Silent Unknown Callers feature specifically for FaceTime. With this option enabled, calls from unknown numbers on FaceTime will be silenced and sent to voicemail, ensuring you maintain a peaceful video chatting experience.

7. Utilize Carrier Call Blocking

In addition to the features provided by Apple, your carrier may offer call blocking services. Reach out to your carrier’s customer support to inquire about call blocking options they provide. This can be a particularly useful solution, as call block settings at the carrier level can prevent unwanted callers from even reaching your phone.

8. Set up a Custom Block List

If you want more control over the numbers you block, consider setting up a custom block list on your iPhone. This allows you to manually add specific numbers that you no longer wish to hear from. You can add these numbers to your block list through the Phone settings on your device.

9. Check with Your Phone Provider

If you’re constantly receiving harassing calls or experiencing a high volume of unknown callers, it may be worth contacting your phone provider for assistance. They may have additional resources or solutions to help you deal with the situation, providing you with peace of mind.

10. Be Cautious with Your Phone Number

Prevention is always better than cure. It is important to be cautious with who you share your phone number. Avoid providing it on untrusted websites or to unfamiliar individuals or businesses. By doing so, you can minimize the chances of your number falling into the hands of spammers or unwanted callers.

11. Frequently Asked Questions (FAQ)

To further assist you in understanding how to stop unknown callers on your iPhone, here are answers to some frequently asked questions:

  1. Q: Can I block unknown calls on older iPhone models?

    A: Yes, the majority of the techniques described in this guide can be applied to older iPhone models as well.

  2. Q: Are there any downsides to enabling the Silence Unknown Callers feature?

    A: One potential downside is that legitimate callers who are not in your contacts may not be able to reach you. However, they can leave a voicemail for you to return.

  3. Q: Can the Silence Unknown Callers feature block emergency calls?

    A: No, emergency calls will always come through, regardless of this feature being enabled.

  4. Q: Do I need a special app to report unwanted calls on my iPhone?

    A: No, you can report unwanted calls directly through the Phone app on your iPhone.

  5. Q: Are there any costs associated with using third-party call blocking apps?

    A: While many call blocking apps are free to download, some may offer additional premium features that require payment.

  6. Q: Can carriers block unknown callers?

    A: Carriers may offer call blocking services, but the availability and specific features may vary. Contact your carrier for more information.


Dealing with unknown callers on your iPhone doesn’t have to be a constant hassle. By implementing the strategies and utilizing the features discussed in this guide, you can take back control over your phone and regain your peace of mind. Whether it’s enabling native settings, using third-party apps, or being cautious with who you share your number with, you now have an array of tools at your disposal to stop unknown callers once and for all.

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