How do I set up and use speed dialling on my Nokia phone? - Nokia FAQ
You can associate any entry in contacts with a key from 2-9, then dial those entries by pressing and holding the assigned key.
Turn speed dialing on and off
Select Menu > Settings > Call (or Call settings) > Speed dialling.
Select On to activate or Off to deactivate.
Assign a key
Select Menu > Contacts > Speed dials (or Speed dialling or More > Speed dials).
Scroll to any empty key number and select Assign.
Enter the number (including the area code) and select OK, then enter a name for the number and select OK.
OR
Select Search to retrieve a number from contacts.
If speed dialing is off, the phone displays a prompt asking if you would like to turn speed dialing on.
Select Yes to activate speed dialing.
Make a call
Press and hold the key to which an entry has been assigned. Your phone dials the entry assigned to the key.
Change numbers
Select Menu > Contacts > Speed dials (or Speed dialling or More > Speed dials).
Scroll to the entry you wish to change and select Options > Change. You are asked to confirm the change.
Enter the new number and select OK, then enter a name for the number and select OK.
OR
Select Search to retrieve a number from contacts.
Delete numbers
Select Menu > Contacts > Speed dials (or Speed dialling or More > Speed dials).
Scroll to the entry you wish to delete and select Options > Delete. You are asked to confirm the deletion.
Select OK (or Yes) to delete the key assignment.