1. From the home screen, tap the Phone icon.
   
2. From the Dial tab, tap the Menu icon.
   
3. Tap Call settings.
   
4. Tap Caller ID.
   
5. To always hide your phone number, tap Hide number.
   Note: To block your Caller ID on a per-call basis, dial *67 before the 10-digit phone number.
   
6. To always show your phone number, tap Show number.