1. From the home screen, tap the Phone icon.
   
2. Tap the Menu icon.
   
3. Tap Settings.
   
4. Tap Call settings.
   
5. Tap Additional settings.
   
6. Tap Caller ID.
   
7. Tap Hide number to disable Caller ID.
   Note: Alternatively, to block Caller ID on a per-call basis, dial '*67' before the desired 10-digit phone number.
   
8. To re-enable Caller ID, tap Caller ID.
   
9. Tap Network default or Show number to re-enable Caller ID.