How do you reset a Nokia cell phone model 6061?

I am trying to do a master reset on the phone so that it can be locked from making any phone calls. The original lock code is not know. If anyone can help, I appreciate it!
Answer: The default lock code on all Nokia models is 12345 or 00000 or 0000.
For reset codes, have a look here
http://forums.wirelessadvisor.com/nokia/...

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