No disrespect intended, but you might want to pursue a non-technical solution to this problem. Putting the games systems and phones in another place for example.
Does your phone accept an e-sim? This can now be provisioned over wifi (and if you have one phone already, you can connect the other one to it). Go to the Canada post website and use the postal code lookup, and find out the format for your address ...
It is a sad day indeed when one has to use third party services like Facebook and Twitter rather than a web page run by the company in question.....but good luck.
Telus should not be allowing scammers to create billing without authorization. Just like an unauthorized credit card charge, Telus as the biller should be reversing them.