[Chris W]

From here:

You can use one of our Interactive forms to send an email to ntl. We will route your enquiry to the most relevant department.

General enquiries, including help & support www.ntl.com/home/contact
Advertising opportunities on ntlworld.com www.ntlworld.com/advertise
Reporting Internet abuse www.ntlworld.com/netreport
Provide feedback about ntl services www.ntl.com/home/responsetek/ntlworld.asp

On the grounds that the original question has been answered, and there is a thread to discuss ntl customer service here this thread is now closed.