From the home screen, tap Phone. Note: When in "Easy" mode, you can't see caller ID information.
To hide Caller ID, from the keypad, tap the More icon.
Tap Settings.
Tap Call.
Tap More settings.
Tap Show my caller ID.
Tap Hide number. Note: To block your Caller ID on a per-call basis, dial #31# or *67 before the 10-digit phone number (Examples: #31#9995554444 and *679995554444).
To show your caller ID, tap Show my caller ID again, and tap Show number. Note: To unblock Caller ID on a per-call basis, dial *82 before the 10-digit number. (Example: *829995554444)