1. From the home screen, press the Right soft key.
   
2. Scroll to the Settings icon, then press the Center nav key.
   
3. Scroll to 'Calls', then press the Left soft key.
   Note: Alternatively, press '5' on the keypad.
   
4. With 'General' highlighted, press the Left soft key.
   Note: Alternatively, press '1' on the keypad.
   
5. With 'Show My Number' highlighted, press the Left soft key.
   Note: Alternatively, press '1' on the keypad.
   
6. To always show your phone number on caller ID, scroll to 'Show Number', then press the Left soft key.
   
7. To always hide your number on caller ID, scroll to 'Hide Number', then press the Left soft key.
   Note: To block your Caller ID on a per-call basis, dial *67 before the 10-digit phone number.