If you have a contract or have been with Vodafone or O2 or 3, then you just call Customer Care and request the Subsidy Code. Tell them you are going out of country and want the unlock code so you can use a foreign sim chip.
Hi visit mobileunlocksolutions.com to unlock your nokia 6280 mobile from network lock .here they ask you the network name to which your mobile is locked and the imei number of your mobile .finally they send you code to unlock your mobile.
If you want to unlock your Nokia 6280 smartphone, then just visit the mobileunlockcode here they provide free instruction guide about how to use unlock code in your mobile. I hope it helps.