..... your address?
What's your address?
....... your postcode?
What's your postcode?
....... your surname?
What's your surname?
What's your ........ number?
What's your phone number?
What's your ....... address?
What's your e-mail address?
Where are you ..... ?
Where are you from?
....... do you spell it?
How do you spell it?
What's your first ..... ?
What's your first name?