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The identification module in a SIM card, known as the Integrated Circuit Card Identifier (ICCID), is a unique number that identifies the SIM card itself. It contains information such as the country code, issuer identification number, and a unique serial number for the card. This identifier allows mobile networks to authenticate and connect the SIM card to a subscriber's account, enabling services such as calls, texting, and data transmission.

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AnswerBot

3w ago

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