Web payment won't accept my billing address

[soricestefano]

In the web payement don't accept the billing adress. Can i use the card in italy?

[MI5]

It has to be issued against a UK bank.

[soricestefano]

Thanks for the answer, how can I do that I am in Italy or I can use a different method of charging the sim

[MI5 · Accepted solution]

You can use this website buy a voucher
https://www.mobiletopup.co.uk/ 

Edited to add that this is the only way to top up with a foreign bank card @soricestefano

[Cleoriff]

@soricestefano

All payment methods are here https://community.o2.co.uk/t5/How-to-Guides/How-can-I-pay-my-bill-or-Ways-to-pay-guidelines/ba-p/101...

Though as said, if paying by card it has to be a card registered to a UK bank.