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What is a SIM card number?

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What is a SIM card number?

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Subscriber identification module (SIM) card numbers are used by all Global System for Mobile Communication (GSM) wireless providers. These numbers hold important information about the cell phone and your service provider. The SIM card number also enables your cell phone to be used in over 180 countries. SIM cards can only be used in the cell phones that carry the same wireless provider, unless the handset has been unlocked. Unlocked handsets can be used with any SIM card.IdentificationSIM card numbers are 16-digit numbers used for cell phone identification.LocationSIM card numbers are printed on the back of SIM cards. A SIM card is the small white data chip that houses important phone account information.UsesUsed to register cell phones, SIM card numbers identify account information unique to the wireless provider. They are available in both prepaid and post-pay cell phones, but they are only given to Global System for Mobile Communication (GSM) phone users.Purchasing OneSIM cards can

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