I have a SIM only plan. My SIM now appears to be deactivated ("not registered on network") and when I try to log into My Account I get "Sorry, the mobile number on your account is missing or invalid. Please call us on 13 14 23 for assistance."   My first question is: why did TPG not attempt to either email me or at least send a paper mail to tell me what the problem is? The email address on my account is valid (it's the same one as for this forum account), so is the postal address.   My second question is: how can I now establish contact with TPG other than by phone? I am overseas so cannot call a 13 number, and even a regular Australian number would be expensive to call. And again, it should not be my responsibility - and my expense - to contact you to find out the problem! ... View more