There are over five branches of the Paris tourist office located at key points in the capital. Don't call with a question though -- you'll get a host of generic recorded information that will cost you EUR .34 per minute.
The Espace du Tourisme d'Ile-de-France (Carrousel du Louvre, 99 rue de Rivoli, 75001, Paris. 08-26-16-66-66. www.pidf.com. Palais Royale/Musée du Louvre) provides travel information on the entire region of Ile-de-France, including Paris. It's open daily 10 AM-6 PM. The main Office du Tourisme de la Ville de Paris (Pyramides, 25 rue des Pyramides, 75002. 08-92-68-30-00 EUR .34 per min. www.parisinfo.com. Pyramides) is open daily June-October 9 AM-7 PM, and November-May 10 AM-7 PM (from 11 AM on Sunday). Office du Tourisme de la Ville de Paris (Opéra-Grands Magasins, 11 rue Scribe. 08-92-68-30-00 EUR .34 per min. Opéra). Office du Tourisme de la Ville de Paris (Gare de Lyon, Arrivals, 20 bd. Diderot. 08-92-68-30-00 EUR .34 per min. Gare du Lyon).