How to Turn Caller ID On or Off on Your Mobile Phone

How to Turn Caller ID On or Off on Your Mobile Phone

For temporary caller ID blocking: 

  1. To block your caller ID on a call-by-call basis, dial #31# followed by the number you're calling.
    For example: #31#0491575254
  2. To unblock your caller ID on a call-by-call basis (if your number is permanently blocked), dial *31# followed by the number you're calling.

For permanent caller ID blocking:

Most mobile phones have a setting called "Show My Caller ID" that can be turned off.
You can usually find this setting in the Settings > Phone menu, but its location may vary depending on your device. Refer to your device's user manual for specific instructions.

To check if your mobile number is visible to callers:
  1. Dial *#31# and then press the Send/Call button.
  2. A message will appear on your screen confirming the status of your caller ID.