If you’ve ever called your carrier’s customer service to activate a prepaid SIM card or troubleshoot a malfunctioning Android SIM card or iPhone SIM, then you’ve likely needed your ICCID number. The ICCID, acronym for Integrated Circuit Card Identifier, is a string of numbers that essentially serves as the SIM card’s serial number. It’s unique and inherent to every SIM card, so even if you change your phone but use the same SIM, the ICCID number will be the same….
Check out the original article: [Slashgear] What Is An ICCID Number & How Can You Find It On Your Phone?