Do Unknown Foreign Numbers Frequently Annoy You?Here’s How to Block It

November 17, 2025
12:23 PM

Table of Contents
Android
iOS
Third party applications
Mobile operator help
Jakarta, domclub Indonesia
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Calls from unknown numbers can be very annoying, especially if the intensity is excessive.Following
how to block
calls from unknown numbers on Android phones and iPhones.
Blocking unknown numbers can be used to maintain privacy.Calls from new, unknown numbers are often annoying, especially if repeated for no apparent reason and have the potential to be spam.
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To reduce interference, users can block foreign numbers using the built-in feature on their cellphone.
This feature on Android and iOS devices makes it easier for users to filter or block numbers that are considered annoying.
Thus, when an unknown number calls, the cell phone will reject the call automatically.Some cellphones are even equipped with a feature to tell users the identity of their number.
Citing various sources, here’s how to block unknown numbers on several platforms.
Android
Android phones have a built-in feature to block new unknown numbers.Users only need to activate it with the following steps:
1. Open the Phone app on your phone.
2. Tap the More menu then select Settings.
3. Select the “Blocked Numbers” option.
4. Enable “Unknown” to block calls from unknown numbers.
5. Calls from unknown numbers will be automatically rejected.
According to Google, this setting only blocks calls from private or unidentified numbers, not numbers that are not saved in contacts.
“This action will block calls from private or unknown numbers. You will still receive calls from phone numbers that are not saved in your contacts,” wrote Google on its official website.
iOS
Like Android, iPhones that use the iOS operating system also have a built-in feature that can block unknown cellphone numbers.Here’s how:
1. Open the “Calls” or “Phone Call” app on iPhone
2. Go to the “Last Calls” tab
3. Find and tap the “Info” icon next to the unknown number
4. Scroll down and select “Block Number” at the bottom of the page
Third party applications
If the built-in features are not enough, users can use applications such as Truecaller, Getcontact, or Calls Blacklist.Here’s how:
1. Download the selected application from Google Play Store or App Store.
2. Register your cellphone number according to the application instructions.
3. Enter the number you want to block and select the reason for blocking.
4. Follow the steps until the number is successfully blocked.
Mobile operator help
Another option is to ask your mobile operator for help directly.
1. Contact the operator’s call center, such as Telkomsel, Indosat, or XL Axiata.
2. Submit a request to block a specific number.
3. The operator will process the request according to applicable policies.
(lom/dmi)
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