I decided I needed a land-line telephone rather than using my mobile all the time; Virgin Media we're doing a reasonable package at the time, so I went with it and chose to be ex-directory from the start.
Problem:
One week into having the phone I started getting the occasional bit of telemarketing ... such as the favourites "Hello, you have been selected at random and have won a trip to Outer-Mongolia just call us blah blah" or "do you have credit card debts ...".
Ok, so being ex-directory can't stop an auto dialer calling random numbers, but I'm now getting 3 or 4 a day. Along with the people calling asking is that "Mr
Further Info:
Not that we should have to but we can sign up to opt-out of such calls using the Telephone Preference Service (TPS) - http://www.tpsonline.org.uk/tps/ - apparently it is a legal requirement that companies do not make such calls to people registered with the TPS. It reckons it'll take 28 days but lets see what happens now.