Exam 312-49v10 topic 1 question 382 discussion

B. Country Code Detailed Breakdown of Example ICCID Example: 89254021520014515744 89: Industry Identifier Represents the telecommunications industry globally. 254: Country Code 254 corresponds to Kenya as per ITU-T E.164 country codes. 0215: Issuer Identifier Identifies the mobile carrier or issuing organization (specific to the country). 20014515744: Individual Account Number A unique identifier for the specific SIM card. Final Digit: Check Digit Calculated using the Luhn algorithm for error detection. ----- Forensics: The ICCID can help investigators trace the SIM card's origin, carrier, and account information.

In the ICCID (Integrated Circuit Card Identifier) 89254021520014515744, the number 254 represents: D. Issuer Identifier Number (IIN) The ICCID is structured as follows: Country Code (first few digits) Issuer Identifier Number (IIN) (following digits) Individual Account Identification Number (the rest of the digits) Check Digit (last digit) In the given ICCID, 254 is part of the Issuer Identifier Number, which is used to identify the organization that issued the SIM card.

for example, 254 is Kenya country code

Mobile Country code could be 3 digits in some case , Answer B is coorect

Confusing question https://www.simbase.com/blog/what-is-iccid-and-why-does-it-matter#:~:text=What%20is%20an%20ICCID%20number,on%20the%20SIM%20card%20physically.