Unlock iPhone 6 and 6 Plus from USA AT&T
If you need to unlock your iPhone 6, 6 Plus from USA operator AT&T, then you have great news!
You can order unlocking by this link – Unlock iPhone AT&T USA
You must first order service:
If your devices which even after the passage of the procedure full official unlocking AT&T USA by IMEI not available for activation by Itunes because it needs a ZIP code + SSN. So, You can order service by this link - Activation iPhone 5s, 5c, 3Gs, 4, 4S, 5 AT&T
Talk about unblock ATT USA forum