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