How to Block Unknown Numbers on Android

This wikiHow teaches you how to block calls from a number you don’t recognize using an Android phone.

Edit10 Second Summary

1. Open Phone.
2. Open your recent calls.
3. Tap and hold the number.
4. Tap Block/report spam.
5. Tap Block.


  1. Open the Phone app. It’s the phone receiver icon that’s typically found on the home screen.
  2. Go to your recent calls. The location varies by Android. If the Phone app doesn’t open to your recent calls immediately, look for an icon with a clock or the word “Recent.”
  3. Tap and hold the number you want to block. A menu will appear.
  4. Tap . This name of the option may vary, but you should see something along the lines of “Block.” A confirmation message will appear.
  5. Tap to confirm. You will no longer receive calls from this number.
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