Not received Contract confirmation after signing up

I recently joined Virgin media broadband and i have not received any contract confirmation stating what i am in contract for. I wanted to log in online so I can see what’s my billing for this month but it requires an account number and area reference code to finish logging in. 

I have been calling customer services and every time they have been telling that I will get my billing through the post in a couple of days but it has been a week!!! and I am still waiting. 

This is really frustrating as we dont have visibility of our contract!