Receiving calls from unknown numbers can be both frustrating and disruptive. Fortunately, your iPhone offers several built-in features to help you manage these calls effectively. Additionally, third-party applications can provide enhanced protection against unwanted calls.
How Can I Silence Calls from Unknown Numbers?
iOS provides a feature called "Silence Unknown Callers" that automatically silences calls from numbers not saved in your contacts, messages, or mail. To enable this feature:
- Open the Settings app on your iPhone.
- Scroll down and tap on Phone.
- Toggle on Silence Unknown Callers.
With this setting enabled, calls from unknown numbers will be silenced and sent directly to voicemail. These calls will still appear in your recent calls list, allowing you to review them later. (support.apple.com)
How Do I Block Specific Unknown Numbers?
If you receive a call from an unknown number that you wish to block, you can do so by following these steps:
- Open the Phone app.
- Tap on the Recents tab.
- Find the number you want to block and tap the Info button ("i") next to it.
- Scroll down and tap Block this Caller.
This will prevent the blocked number from calling, texting, or FaceTiming you in the future. (techadvisor.com)
What Is Call Screening, and How Does It Work?
Call Screening is a feature that allows your iPhone to automatically answer calls from unknown numbers and prompt the caller to state their name and the reason for calling. This information is then transcribed and displayed on your screen, enabling you to decide whether to answer the call. To enable Call Screening:
- Open the Settings app.
- Tap on Phone.
- Tap on Call Blocking & Identification.
- Enable Call Screening.
This feature helps filter out unwanted calls by requiring unknown callers to provide identifying information before your iPhone rings. (support.apple.com)
How Can I Use Third-Party Apps to Block Unknown Callers?
For enhanced protection against spam and robocalls, consider using third-party call-blocking apps. These apps maintain databases of known spam numbers and can automatically block or warn you about potential spam calls. Popular options include Truecaller and Hiya. To use such an app:
- Download and install the app from the App Store.
- Follow the app's setup instructions to grant necessary permissions.
- Enable the app's call-blocking feature in your iPhone's settings.
These apps can significantly reduce the number of unwanted calls you receive. (techradar.com)
Are There Any Limitations to These Methods?
While these features and apps are effective, they may not completely eliminate all unwanted calls. Some legitimate calls from unknown numbers might be missed if they are not in your contacts or recognized by the app's database. It's important to regularly check your voicemail and recent calls list to ensure you don't miss important communications.
By utilizing these built-in features and third-party applications, you can significantly reduce the number of unwanted calls you receive on your iPhone, leading to a more peaceful and productive experience.
Highlights:
- How to block spam calls on iPhone, Published on Saturday, August 23
- I haven't answered a scam call in months - this hidden iPhone feature is why, Published on Wednesday, March 18



