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How to Block unknown call on iPhone, iPad [Not saved]

Karly Wood

April 30, 2025

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Tired of getting calls from unknown numbers on your iPhone or iPad? Whether it’s spam, telemarketers, or just unwanted disturbances, Apple provides built-in features to help you block or silence these calls. In this guide, we’ll walk you through simple steps to block unknown callers and keep your device free from unwanted interruptions.

Steps to Block unknown calls on Your Device – prevent nuisance calls

1. Open the Phone app.
2. Select the Recent tab to view all incoming calls.
3. You can see the blue (i) icon next to each contact. Tap on that to block for all time in Call, Message, or FaceTime.
4. On this page, you can see all the details along with the other options provided on the first screen.
5. Scroll the screen to block this Caller option and click on that.
6. A confirmation pop-up appears; You will receive phone calls, messages, or FaceTime from people on the block list. To do so, tap on the Block contact.

That’s it.

Block unknown callers using the Silence Unknown Callers setting

1. Go to the Settings app on your device.
2. Scroll the screen to the Apps setting.
3. On this page, scroll down to tap ‘Phone’. (On iPad with cellular, this option appears when a SIM is inserted.)
4. Tap on Silence Unknown Callers.
5. Turn on/green the switch next to Silence Unknown Callers.

What Happens Next?

• Calls from unknown numbers will be silenced and sent to voicemail.
• You’ll still see them in the Recents list.
• Calls from your contacts, Siri suggestions, and recent outgoing calls will still ring normally.

This feature helps avoid spam or robocalls without blocking important calls from known contacts.

Blocking unknown calls on your iPhone or iPad is a simple yet effective way to avoid spam and unwanted interruptions. By enabling Silence Unknown Callers or using Do Not Disturb with customized settings, you can take control of who reaches you. While these features won’t block known contacts or important calls, they help filter out the noise. Stay focused and stress-free by managing your call settings to suit your needs.