After you take the SIM card out, you can look at it. The number is printed on the card itself. It is a long number, often around 19 or 20 digits. It will be very small and hard to read. A magnifying glass can help. The number might be next to the letters "ICCID." On some SIM cards, the number is on the back. It is important to be gentle. You do not want to damage the card. After you h... b2breviews.club