How to Block All Calls Except Contacts on Android and iPhone

How to Block All Calls Except Contacts on Android and iPhone

Constant calls from unknown numbers can ruin your productivity. You can enable DND (Do Not Disturb) mode on your Android or iPhone, but you may miss important messages. If you frequently receive unnecessary calls from random numbers, follow the steps below to block all calls except contacts on Android and iPhone.

How to Block All Calls Except Contacts on Android and iPhone

Both Android and iOS have filters to block spam calls. However, unknown numbers may bypass the restrictions and ring your phone during work hours. You can set the DND profile to allow calls from contacts only. You can also use third-party apps to block everyone except contacts. Let’s explore the built-in options first.

Block Unknown Numbers From Calling You on Android

To block calls from unidentified callers on Android, simply follow these steps:

1. Open the Phone app.

2. Tap the three vertical dots menu in the top-right corner.

3. Select Settings.

How to Block All Calls Except Contacts on Android and iPhone How to Block All Calls Except Contacts on Android and iPhone

Step 2: Tap Caller ID and spam.

Step 3: Enable the Filter spam calls toggle.

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How to Block All Calls Except Contacts on Android and iPhone How to Block All Calls Except Contacts on Android and iPhone

Step 4: Open Blocked numbers.

Step 5: Enable the Unknown toggle.

How to Block All Calls Except Contacts on Android and iPhone How to Block All Calls Except Contacts on Android and iPhone

Allow Calls From Contacts Only on Samsung Galaxy Phones

Samsung uses a different Phone app on Galaxy phones. The steps to block unknown numbers differ on Samsung’s One UI. Here’s what you need to do.

Step 1: Launch the Phone app on your Samsung Galaxy phone. Tap the three vertical dots menu and go to Settings.

How to Block All Calls Except Contacts on Android and iPhone How to Block All Calls Except Contacts on Android and iPhone

Step 2: Enable the ‘Caller ID and spam protection’ toggle.

Step 3: Open the Blocked numbers menu and toggle on the ‘Block unknown/private numbers’ toggle.

How to Block All Calls Except Contacts on Android and iPhone How to Block All Calls Except Contacts on Android and iPhone

After that, unknown callers and telemarketers won’t bother you.

Block All Calls Except Contacts on iPhone

There is no way to block spam and unknown callers on iPhone directly. However, iOS offers an option to silence unknown callers. Here’s what you need to do.

Step 1: Open the Settings app on iPhone and scroll to Phone.

Step 2: Select Silence Unknown Callers.

How to Block All Calls Except Contacts on Android and iPhone How to Block All Calls Except Contacts on Android and iPhone

Step 3: Disable the toggle from the menu.

How to Block All Calls Except Contacts on Android and iPhone

Enable Do Not Disturb on Android

You can set your phone’s DND profile to allow calls from contacts only. Follow these steps:

1. Open Settings and select Notifications.

2. Scroll to Do Not Disturb.

How to Block All Calls Except Contacts on Android and iPhone How to Block All Calls Except Contacts on Android and iPhone

Step 3: Tap People. Select Calls.

How to Block All Calls Except Contacts on Android and iPhone How to Block All Calls Except Contacts on Android and iPhone

Review text: “Step 4: Tap the radio button beside Contacts.”

Revision: “Step 4: Select the Contacts radio button.”

How to Block All Calls Except Contacts on Android and iPhone

Return to the Do Not Disturb menu and enable the option. Your Android will only notify about important people and apps.

Switch on Do Not Disturb on Samsung Galaxy Phones

Samsung Galaxy phone users can enable DND to only allow contacts to reach them via calls. Here’s how:

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Step 1: Open Settings and select Notifications.

Step 2: Tap Do not disturb.

How to Block All Calls Except Contacts on Android and iPhone How to Block All Calls Except Contacts on Android and iPhone

Step 3: Select Calls, messages, and conversations under Exceptions. Tap Calls.

How to Block All Calls Except Contacts on Android and iPhone How to Block All Calls Except Contacts on Android and iPhone

Step 4: Select Contacts only.

How to Block All Calls Except Contacts on Android and iPhone

If you receive calls during an active Do Not Disturb mode, check our guide to fix the problem.

Enable Focus on iPhone

Apple has replaced Do Not Disturb with Focus on iPhone. You can create multiple Focus profiles and establish a distraction-free environment. Let’s see it in action.

Step 1: Launch Settings and choose Focus.

Step 2: Tap Do Not Disturb.

How to Block All Calls Except Contacts on Android and iPhone How to Block All Calls Except Contacts on Android and iPhone

Step 3: Select People.

Step 4: Tap Allow Calls From and select Contacts.

How to Block All Calls Except Contacts on Android and iPhone How to Block All Calls Except Contacts on Android and iPhone

Whenever you enable Do Not Disturb, iOS silences calls from people not on your contacts list.

Use Third-Party Apps to Block Unknown Callers on iPhone and Android

If you want to enhance spam filters on your phone, use third-party apps. Truecaller is one of the most robust options available in the Play Store and App Store. Let’s see it in action.

Step 1: Download Truecaller on Android and install it on your phone. Step 2: Open the Truecaller app, tap the menu at the top-right corner and open Settings.

How to Block All Calls Except Contacts on Android and iPhone How to Block All Calls Except Contacts on Android and iPhone

Step 3: Select Block and enable the ‘Block numbers not in the phonebook’ toggle.

How to Block All Calls Except Contacts on Android and iPhone How to Block All Calls Except Contacts on Android and iPhone

Truecaller on iPhone

Step 1: Download and install Truecaller on your iPhone. Step 2: Open the Truecaller app and grant necessary permissions.

How to Block All Calls Except Contacts on Android and iPhone

Step 3: Close Truecaller app and open the Settings app.

Step 4: Scroll to Phone. Select Call Blocking & Identification.

How to Block All Calls Except Contacts on Android and iPhone How to Block All Calls Except Contacts on Android and iPhone

Step 5: Enable Truecaller filters.

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How to Block All Calls Except Contacts on Android and iPhone

The Truecaller experience is better on Android. Additionally, you may enjoy learning how to use Truecaller to record calls on both Android and iOS.

Block Interruptions on Your Phone

Most users should be fine with the built-in spam filters on Android and iPhone. You can customize the DND profile to receive calls from contacts only. Truecaller is suitable for power users who want to block unnecessary callers on their phones.

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Parth Shah is an experienced freelance writer specializing in how-tos, app guides, comparisons, listicles, and troubleshooting guides on Android, iOS, Windows, Mac, and smart TV platforms. With over five years of experience, he has written over 1,500 articles for twothirds.us and Android Police. In his free time, he enjoys watching Netflix, reading books, and traveling.

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