Make a call with hidden caller identification

You can make a single call with hidden caller identification, your number will then not be shown at the receiving end. You can also turn off caller identification for all calls.

HTC One (M8)
HTC One (M8)
  • 1
    Make a call with hidden caller identification
    • Press the phone icon.
    • Key in #31# followed by the number you want to call.
    • Example: #31#012345678
    • Press CALL.