Nokia 6288 - Packet Data Connection; Packet Data Settings; Data Transfer

Contacts
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To make a call using the speed-dialing keys, see “Speed dialing,” p. 23.
■ Service and my numbers
Select Menu > Contacts and from the following options:
Service numbers — to call the service numbers of your service provider if
the numbers are included on your SIM card (network service)
My numbers — to view the phone numbers assigned to your SIM card.
This is only shown if the numbers are included on your SIM card.