I tried this a few mins ago. Didnt work at all. The #pw stuff isnt a option in the unlock section. and when using it in the normal dial paid I could get the pw stuff to work there either. Tried a few times
As of Feb 26,2015 under the new FCC Net Neutrality rules,which are in full effect now,AT&T must unlock your phone upon request and all new phones of any make must be unlocked