3g restriction code?

[prdx]

uk 3g 6500 slide locked.. tried the wrong code 3 times now i get "cannot undo restriction".. outta curiosity i tried my o2 chip in there and its askin me for a restriction code... there has to be someone who has this code.. really aint feelin to pay tbh since the fone jus come of contractany help is appreciated stil

[DRC]

i'm baffed...are you asking for a puk code or an unlock code?either way both can be obtained from the service provider.

[prdx]

its a restriction code stil.. i wana unlock the fone to a dif network but i used the wrong codes 3 times an now its askin for a restriction cod wen i try a next sim in it