More details (including other LLU operators) of your exchange here:
http://www.samknows.com/broadband/exchange/NEWB
Details about LLU (local loop unbundling):
http://www.ofcom.org.uk/static/archi...background.htm
This means that broadband services offered by: AOL, O2/Be, Orange, Sky/Easynet and TalkTalk are run over the wires provided by BT. All other broadband services are actually run by BT Wholesale and simply resold.