Codes are usually unique.. Either u would have to call them and ask and hope they give it to u.. Which is highly unlikely or u buy it from a third party.. Which can be risky.. There are websites out there. But search reviews of the websites before u buy if u do that
Hi visit Unlocking4u.com to unlock your LG Optimus 3D mobile from AT&T network . Here they ask you the IMEI number of your Mobile .Then at last they send you code to unlock your mobile.
If you want to unlock your LG Optimus 3D, then just visit Mobileunlockguid here they will provide a free instruction of How to unlock code use in your LG optimus 3D smart phone. Or You can go for near Lg mobile service center and unlock your phone.