Room 2707 is translated "pièce 2707 / pièce deux mille sept cent sept" in French; replace "pièce" by "chambre" for hotel rooms.
"Utility room" in French is "buanderie".
The cloak room or coat room is "le vestiaire" (masc.) in French.
The French word for "Cindy's room" is "Cindy chambre".
'the shower room' in french is 'la salle de douche'
You can say "J'ai nettoyé la chambre" in French.
1 and 2707
An hotel room is called 'une chambre d'hôtel' in French.
Your room is 'ta chambre', your sister's room is 'la chambre de ta soeur' in French.
Piscime
salle de boue = mud room
bathroom in French is salle de bains
'front room' in french is 'chambre à l'avant'