counter, service desk, ticket window
Je préfère lui parler par le guichet.
I’d rather speak to him through the service window.
— Out of It (1978)
Il y a un match, je suis au guichet.
There’s a game on, and I’m at the ticket window.
— Nos années sauvages (1990)
It's not the same counter.
— The Tall Blond Man with One Black Shoe (1972)
Où se trouve le guichet d'information ?
Where is the information desk?