How To Block Calls from Private Numbers on Android

September 2016

There's nothing more annoying than being harassed by calls or messages from private (hidden) numbers. Luckily, most of Android's higher end smartphone models have a built-in feature to block incoming calls and messages from hidden numbers. The steps may vary slightly from one manufacturer to another, but in general, you should be able to access this setting from the Phone app. Here's the procedure for the Samsung Galaxy S6.

Block Calls From Unknown Numbers on Android

Open the Phone app, and tap More > Call Settings > Call Rejection:


Next, tap Auto reject list:


Now, toggle the Unknown option On:


N.B. If your Android smartphone does not include an option to block unknown numbers, you can also download and install call blocking apps such as Extreme Call Blocker or SMS and Call Blocker.

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