how different between you service 425# vs 544#?

Product Sold By: AT&T MOBILITY LLC
Coverage Status: Apple Limited Warranty
Coverage End Date: 27/11/16
Estimated Purchase Date: 28/11/15
Purchased In: United States
Serial Number: F2LQK8HH****
Initial Activation Policy ID: 23
MEID:
Activation Policy Description: US AT&T Puerto Rico and US Virgin Islands
Activation Policy IMEI: 3533020723xxxxx
Applied Activation Policy ID: 23
Part Description: iPhone 6s Plus
Applied Activation Policy Description: US AT&T Puerto Rico and US Virgin Islands
Activation Policy Product Version: 9.3.2
Next Tether Policy ID: 23
Last Restore Date:
Next Tether Activation Policy Description: US AT&T Puerto Rico and US Virgin Islands
Activation Policy Bluetooth MAC Address:
First Unbrick Date: 29/11/15
Last Unbrick Date:
Unbricked:
Unlocked: false
Unlock Date:

I would like to use AT&T permanent unlock carrier.
how different between your service 425# vs 544#

Regards
Yana