Follow the steps below to retrieve your SIM card number (ICCID) from the iPhone.
Starting from the home screen:
- Tap “Settings.”
- Tap “General.”
- Tap “About.”
- The entry titled ICCID is your SIM card number.
If your iPhone will not power on, you can eject the side SIM tray using a SIM tool or a push pin to get your SIM card number (ICCID). Simply push the pin or tool into the small hole next to the tray and it should eject, revealing the SIM.