LG C3300 User Manual page 168

You can delete all entries in the SIM and/or phone. This function
requires the security code.
Press to return to standby mode.
]
of Service Dialling Numbers (SDN) assigned by your network
operator (if supported by the SIM card). Such numbers include
the emergency, directory enquiries and voice mail numbers.
Select the Service dial number option.
The names of the available services will be shown.
Use the up/down navigation keys to select a service. Press
]
the SIM card or the phone memory.
]
number in the SIM card.
You can check the current memory status of
Use this to display your phone
C3300 User Guide
Menu-6-7
Menu-6-8
Use this to view the list
.