@Bills
Live chat is mainly for TV memberships.
The broadband number is free of charge as it’s not a 0844 etc.
Try the "pay my bill" section on this link.
https://help.nowtv.com/get-in-touch/now-broadband-calls/making-a-payment
Or call the number below.
NOW Broadband Members can call us 8am–8pm, 7 days a week.
03300 412474
FYI that I do not work for NOW, just a NOW customer trying to help