die Telefonnummer
Translation
phone number, telephone number
Examples
Wie ist deine Telefonnummer?
What is your phone number?
Ich habe seine Telefonnummer nicht.
I don't have his phone number.
Bitte schreiben Sie Ihre Telefonnummer auf.
Please write down your phone number.
Grammar Patterns
sb.'s phone number This is my phone number.
the phone number of sb. What is the phone number of the doctor?
Similar Words
die Handynummer (mobile number), die Festnetznummer (landline number)
Etymology
A compound noun made of 'Telefon' (telephone) and 'Nummer' (number).
Memory Tips
It's a direct combination of two words you likely already know: 'Telefon' and 'Nummer'. Very straightforward.