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How to Block Calls from Unknown Numbers on an iPhone

5/19/2017

This wikiHow teaches you how to prevent callers with blocked numbers or who aren't in your contacts from getting through to you on your iPhone.

EditSteps

EditUsing Do Not Disturb

  1. Open your iPhone's Settings. It's a gray app containing gears on your iPhone's home screen.
    Block Calls from Unknown Numbers on an iPhone Step 1.jpg
  2. Tap . It's in a section near the top of the menu, next to a purple icon with a moon inside it.
    Block Calls from Unknown Numbers on an iPhone Step 2.jpg
  3. Tap . It's midway down the screen
    Block Calls from Unknown Numbers on an iPhone Step 3.jpg
  4. Tap . It's located in the "Groups" section of the menu. Now, when "Do Not Disturb" is enabled, only numbers in your contacts will get through.
    Block Calls from Unknown Numbers on an iPhone Step 4.jpg
    • Swipe up from your home screen or lock screen and tap the round, crescent moon icon at the top of the Control Center to turn Do Not Disturb on or off.

EditBlocking Calls Labeled as "Unknown"

  1. Open your Phone app. It's a green app in the lower left corner of your iPhone's home screen. It contains a telephone icon.
    Block Calls from Unknown Numbers on an iPhone Step 5.jpg
  2. Tap . It's in the bottom center of the screen and contains the silhouette of a person.
    Block Calls from Unknown Numbers on an iPhone Step 6.jpg
  3. Tap . It's in the upper-right corner of the screen.
    Block Calls from Unknown Numbers on an iPhone Step 7.jpg
  4. Type "Unknown" into the first and last name fields.
    Block Calls from Unknown Numbers on an iPhone Step 8.jpg
  5. Tap . It's in the upper right corner of the screen.
    Block Calls from Unknown Numbers on an iPhone Step 9.jpg
  6. Tap . It's at the bottom of the screen.
    Block Calls from Unknown Numbers on an iPhone Step 10.jpg
  7. Tap . Now, most calls labeled as "Unknown" should be blocked from your iPhone.
    Block Calls from Unknown Numbers on an iPhone Step 11.jpg
    • Friends calling from an unknown number will not be able to reach you.

EditBlocking Calls from Numbers You Don't Recognize

  1. Open your Phone app. It's a green app in the lower left corner of your iPhone's home screen. It contains a telephone icon.
    Block Calls from Unknown Numbers on an iPhone Step 12.jpg
  2. Tap . It's a clock icon in the bottom left corner of the screen.
    Block Calls from Unknown Numbers on an iPhone Step 13.jpg
  3. Tap next to a number you don't recognize. It's a blue icon on the right side of the screen.
    Block Calls from Unknown Numbers on an iPhone Step 14.jpg
  4. Scroll down and tap . It's at the bottom of the menu.
    Block Calls from Unknown Numbers on an iPhone Step 15.jpg
  5. Tap . Now, calls from this number will not reach your iPhone.
    Block Calls from Unknown Numbers on an iPhone Step 16.jpg

EditWarnings

  • If a friend or family member is calling you from an blocked number or a number that's not in your contacts, they won't be able to reach you on your iPhone.



Source: http://www.wikihow.com/Block-Calls-from-Unknown-Numbers-on-an-iPhone