French Phrase
T'as un numéro de confirmation ?
Meaning
Literally: “Do you have a confirmation number?” It is used to ask someone for the reference code that proves a reservation, purchase, or registration has been recorded.
When to use
Use this phrase in informal spoken contexts—when chatting with a friend, a colleague you know well, or a service agent you’re on a first‑name basis with. It would be too casual for a formal email or a business meeting with strangers.
✦Grammar Breakdown
T'asunnumérodeconfirmation?
Contraction T'
« T' » is the spoken contraction of « tu », used before a verb starting with a vowel or mute h (as). It is informal and common in everyday speech.
Verb avoir (as)
The verb « avoir » in the second‑person singular present tense is « as ». In spoken French it often appears as the contracted form « t'as ».
Indefinite article « un »
« un » introduces a non‑specific noun. Here it signals that any confirmation number will do, not a particular one already known.
Prepositional phrase « de confirmation »
The noun « numéro » is qualified by the preposition « de » plus another noun, forming a noun‑noun compound meaning “confirmation number”.
Rising intonation for yes/no questions
In spoken French, a simple declarative sentence can become a question by raising the pitch at the end, which is why no extra interrogative particle is needed.
🗨In Conversation
T'as un numéro de confirmation ?
Do you have a confirmation number?
Oui, c'est le 4521‑89.
Yes, it’s 4521‑89.
✕Common Mistakes
As un numéro de confirmation ?
In spoken French the verb should be contracted with the subject: « t'as », not the separated « as ».
T'as un numéro de confirmation ? (when the exact number is already known)
If the speaker knows the specific number, they should use the definite article « le ».
Vous avez un numéro de confirmation ? (in a very informal chat)
Do not use the formal « vous avez » in a casual conversation with peers; it sounds overly stiff.
↔Alternatives
Vous avez un numéro de confirmation ?
Do you have a confirmation number? (formal/polite)
Tu as le numéro de confirmation ?
Do you have the confirmation number?
Est‑ce que tu as un numéro de confirmation ?
Do you have a confirmation number?
Cultural Tip
In France, the phrase « numéro de confirmation » appears most often when dealing with travel (airline tickets, train reservations), hotels, or online purchases. French speakers tend to keep the tone light and may add a friendly « ça te va ? » after giving the number. Remember that the contracted « t'as » is strictly informal; in a professional email you would write « avez‑vous » or « avez‑tu » (rare) instead.

