Dame tu numero de telefono means give me your telephone number
cual es tu numero de telefono = what is your phone number cual es el numero de telefono = what is the phone number
your telephone number
It means "what is your telephone number?" in Spanish.
Cual es tu numero de telefono in English literally translates to "What is your number of phone?" Which really means "What's your phone number?"
my telephone number is
mobile-phone/cellphone number
"Tell me your phone number."
Este es mi numero de telefono
This means "My telephone number is..."
My phone number is...
gustavo nevarez leon