Whats The Ristriction Code For Nokia 7373?

I Have a nokia 7373 Im On Orange Network But Would Like 2 Change to O2 Its Asking For A Ristriction Code? Please Can You Tell Me What It Is.

Hi if you need restriction code you can visit this site Prounlocking.com here you can get the code and unlock your mobile easily. To get the code you have to mentioned which country is locked now,network provider and imei number. Then they send unlock code through email. After unlock your mobile you can easily move to any other network .