What drivel - it has nothing to do with Royal Mail, they do not regulate the contents of post.
That phone number (on BT) is charged at "p0" charge band which is 149.989 pence per minute (call it £1.50 per minute)
In a time of universal deceit - telling the truth is a revolutionary act. George Orwell
When the debate is lost, slander becomes the tool of the loser. Socrates