¡Uno, Dos, Tres!

In order to ask for someones phone number you need to know:


-How to ask "What is your number?": Which in Spanish is 

¿Cual es tú numero?

- Numbers in Spanish


English Spanish
one uno
two dos
three tres
four cuatro
five cinco
six seis
seven siete
eight ocho
nine nueve
ten diez

Here's a video of president Obama giving his phone number and telling you how to ask, what is you phone number?

Here is a video of a creepy man asking for a pretty girl's number.
https://docs.google.com/a/scienceleadership.org/file/d/0Bzb33Dwbm4ZbYzVBanlhSHJBbHM/edit