My landline isn't working but I have broadband
Best to report it to Now.
https://help.nowtv.com/article/how-to-submit-a-broadband-complaint1
Use this link to check the status of your line.
https://help.nowtv.com/article/fix-problems-with-my-phone
Otherwise call the team using the number from the below link.
https://help.nowtv.com/article/how-to-submit-a-broadband-complaint1