Hi @kyliejayne,    Welcome to the Community!    Once you received the SIM card you can activate it right away. Activation will take 1 - 2 working days.    TPG operates on monthly billing cycle. Your monthly billing cycle will begin when you activate your TPG SIM card.    For more information on this, please visit this article on How to activate your TPG Mobile SIM card.   Should you need further assistance, please let us know.    Regards, ... View more