Unlock GoPhone while abroad
I have a Nokia Lumia 635 GoPhone with ATT. I will be abroad this summer when the six months lock period expires, and I'm eligible to submit the unlock request on the ATT website.
My question is: Will the code be enough for me to unlock the phone and use it with a different carrier while I am abroad? Or do I need to be connected to an ATT network to finish the unlocking process after I enter the code that ATT sends me?