I used to use yaho dial up how do i do it again and what is the dial up number now. this was two years ago?

i am with virgin broadbadn but think that i dont use 18 pounds per month and would like to change to dial up i used to use yahoo dial up is it still availale and what number do i use to set it up again and am i abnle to do that instead of broadband though i know that virgin allow you to change your services every month so it should be ok to ask them to take off broadband and go back to dial up but can i choose to use yahoo?

I used to use yaho dial up how do i do it again and what is the dial up number now. this was two years ago?
Well, i have it in my Dial-up connections, the number is 0 8707 439109