No response

I am trying now for almost 3 weeks to get hold of Virgin. Their app does respond, their branch where I am a member told me to phone the call centre, the call centre only operates during certain hours according to the voicemail. I am not allowed to make private calls at my work. I tried to find an email address online, no luck there too. So I decided to block the debit order end of June to see if I get a response. Their bank obviously work all hours to take my contribution, so let's see the result of my stopping them from getting a no response from my payment