SIM Card - Subscriber Identity Module

MSISDN

Is stored on HLR from operator.

Decoding MSISDN

00 351 91 000 11 22

Prefixes

National = 0

Internacional = +351 or 00351 (Portugal)

MCC - Mobile Country Code

91 - Vodafone Portugal

NDC - Network Destination Code

000

Explanation:

The section above provides important codes and identifiers related to your mobile network and SIM card.

• Internacional: The international dialing code for Portugal.

• MCC: Mobile Country Code, specific to Vodafone Portugal.

• NDC: Network Destination Code, often used in conjunction with MCC for routing.

• ICCID: Identifies the SIM card uniquely.

• PIN: Protects your SIM from unauthorized use.

• PUK: Unblocks your SIM if the PIN is entered incorrectly multiple times.

• PIN2: An additional security code for advanced features.

ICCID: The Integrated Circuit Card Identifier is a unique number assigned to your SIM card.

PIN: A Personal Identification Number is a security code that protects against unauthorized use of your SIM card.

PUK: A PIN Unblocking Key is used to unblock your SIM card if the PIN is entered incorrectly multiple times.

PIN2: Similar to the PIN, this is another security code used to access advanced SIM features.

PUK2: This is the key used to unblock the PIN2 if it is entered incorrectly multiple times.