Calling with suppressed phone number

  • Hiding phone number when calling a phone is made easy

    One-time suppression of mobile phone number

    This menu item is independent of the operating system of the smartphone!

    Simply enter the key combination #31#, immediately afterwards the phone number of the person you would like to call. Now the called participant only sees "Unknown" or "Anonymous" in his display.

    Perpetual suppression of mobile phone number on iPhone

    • Select “Settings“ from the Home screen
    • Click the menu item "Phone"
    • Turn off "Send my Caller ID"

    Perpetual suppression of mobile number on Android

    • Open phone app
    • Select “Settings“ (menu icon with 3 points arranged among each other)
    • Click the "Calls" menu item
    • Click “Additional Settings“
    • Turn off “Caller ID“

    Rapid perpetual suppression of mobile phone number with GSM code (character combination)

    Activation of permanent number suppression

    Enter the following code in the Phone app key pad *31# and then click the "Dial" button.

    Deactivation of permanent number suppression

    Enter the following code in the Phone app key pad #31# and then click the "Dial" button.



    Have fun suppressing your mobile phone number