355313080638xxx - Unlocked
352978092274xxx - Looks like you havent paid off your device yet.
359402081381xxx - Looks like this device is lost or stolen so we cant unlock it.
359402081381xxx - Looks like the device you want to unlock is active on another AT&T account.
355833082706xxx - Looks like you upgraded your device recently so we cant unlock it right now.
353047098327xxx - You have not completed all the payments for your device according to your service agreement.

Note: This service is not INSTANT and result will be displayed in Order History page.