Originally Posted by
weekilter
It's not just the UK. Canadian mobile operators won't take non-Canadian credit cards either. Foreign credit cards are not accepted by US mobile operators either though if you have a foreign credit card you can still use PIN vendors like callingmart.com .
I had a Rogers contract SIM for 3 years that was being paid by my US credit card. I still have an Orange UK contract SIM card (OVP Virgin -- essentially PAYG with a statement) and pay it with my US card.