An Integrated Circuit Card Identifier or ICCID is a unique number assigned to your SIM. Follow along with this tutorial to easily locate your SIM’s ICCID.
1.
From the Settings app, scroll to System.
2.
Tap System.
3.
Tap About phone.
4.
Scroll to Status.
5.
Tap Status.
6.
Tap SIM status.
You can select between the different sim slots here.