Temporary Phone Number

A Subscriber Identify Module (SIM) card is a chip inserted into your phone to allow identification of subscribers using the Altice Mobile network.  If you are bringing your existing number to your Altice Mobile service, your SIM will arrive active with a temporary number.  This number will allow you to use service immediately!  It will remain active until you have the chance to complete your number transfer by logging into your account on My Altice.

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