Phone Unlocking samsung j600 unlock

[john!]

hi i found a samsung j600 in my taxi,bought a new card for it (virgin as that is the network it is on )but wheni try to call 789 it says unlock and rejects call can any 1 tell me if therer is a unlock code for this phone please ,...thanx in advance

 

[Blartiartfast]

It's barred m8. Nothing can legally be done.