It is also possible to store contact information on many SIM cards.
In Europe, the serial SIM number (SSN) is also sometimes accompanied by an international article number (IAN) or a European article number (EAN) required when registering online for the subscription of a prepaid card. In practise the term "SIM card" refers to the entire unit and not simply the IC.Ī SIM contains a unique serial number (ICCID), international mobile subscriber identity (IMSI) number, security authentication and ciphering information, temporary information related to the local network, a list of the services the user has access to, and two passwords: a personal identification number (PIN) for ordinary use, and a personal unblocking key (PUK) for PIN unlocking. Technically the actual physical card is known as a universal integrated circuit card (UICC) this smart card is usually made of PVC with embedded contacts and semiconductors, with the SIM as its primary component.
A TracFone Wireless SIM card has no distinctive carrier markings and is only marked as a "SIM card"Ī SIM card (full form Subscriber Identity Module or Subscriber Identification Module) is an integrated circuit (IC) intended to securely store the international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephony devices (such as mobile phones and computers).
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