It is important to know the difference. Your phone number is for making and receiving calls. You can take your phone number with you when you switch phones. Your phone company can move the number to a new SIM card. The SIM number, or ICCID, is a unique ID for the physical card. It never changes. It is a very long number. It is printed on the SIM card itself. The SIM number is what hel... https://databased.site