Numbers in Español

When learning people's numbers, there are some things you need to know:
-How to ask for someones # 
-The Numbers
-How to break up phone #'s in spanish

Now that you have the numbers your going to need to know how to ask for someones phone #

Cual es tu numero de telefono?-Whats your phone number
-This is informal way to ask for some one for their phone number. You might ask your friend for their phone # this way
Cual es su numero de telefono- Whats your phone number
-This is the formal way to ask someone for their phone number if their an adult or someone of importance, you would ask for their phone number this way to show respect.

Now here is a real-life situation of someone asking someone else for their number in a party.