[devilincarnate]

Try these sites:

http://www.optoutuk.com/

http://allyours.virginmedia.com/html...tentcalls.html

http://allyours.virginmedia.com/html...ntedcalls.html

Hope these help ?

If you have got the number that has called you can check it at :

http://www.phonepayplus.org.uk/output/default.aspx