Alasdair Taylor's Answer

I’d need to know a little more about the context of this question to provide – or attempt to provide – any answers here.  What do you mean by a “fake credit card number”?  Why would you want to use a fake credit card number?  What might you be buying that costs $0?

Given that you have reference $ rather than £, and given that my expertise is in English law not US law, I think you would be better addressing this question to a legal Q&A focused on US law (and providing additional background info when you do so).