French phrase
À ~ dois-je m'adresser ?
Meaning
Which ___ should I contact?
When to use it
Used to ask which office or department to contact. It suits administrative situations and is politely matter-of-fact.
Example dialogue
À quel service dois-je m'adresser ?
Which department should I contact?
Au service des admissions, au rez-de-chaussée.
The admissions office, on the ground floor.