Can you change your orange contract mobile number?

[rnix]

Hey i know its wrong section but i want good replies and noone really will reply in real forum, anyway.

I need to change my number, can you do it (and if so how much and how) cause i want to stop some people contacting me.

Thanks

[Chippiewill]

http://answers.yahoo.com/question/index?qid=20080212210110AA6b8fG