To change Caller ID settings, from the home screen select the Settings app.
Scroll to and select Phone.
Select Show My Caller ID.
To turn Caller ID on or off, select the Show My Caller ID switch.
Note: To block Caller ID on a per-call basis, dial *67 or #31# before the 10-digit phone number. (Examples: *679995554444 or #31#9995554444). To unblock Caller ID on a per-call basis, dial *82 before the 10-digit number. (Example: *829995554444)