I'm having problems with my broadband but on phoning 150 I cannot get through as I don't have a password I've not received anything through the post and cannot get through as it just hangs up when I don't put the password in please someone help me 

Hi I've had broadband one day and it's packed up tried ringing virgin but can't get through as don't remember my password  have no idea what my area code is Bh9 1dp  is my postcode  how do I actually speak to someone about this very disappointing  se...