Spanish phrase
¿Cuál es ~ número de referencia?
Meaning
What is ___ reference number?
When to use it
Asks for someone's reference number. Used to request a case or ticket ID in customer service or internal contexts, tone adjusts by formality.
Example dialogue
¿Cuál es tu número de referencia?
What is your reference number?
Creo que es 67890.
I think it's 67890.