They said it wasn't possible. I guess then there's no other way for me. I'll just order SIM cards from other places for my parents that I was trying to activate for. Thanks for all your suggestions and help though.
Perhaps I should do that. The CS agent is claiming that the plans I've chosen (and I've tried it with every single one of them) are invalid and that's why the problem is happening. I'm going to see if I can contact a different CS agent and go through...
@softech and others for update: Just got a reply as this from CS agent "This is a programing issue that I cannot resolve.My advice is to find a postal code valid, even if it is not yours, once the account is activated, we have the possibility to cha...