There are no banks in Aguas Calientes. To exchange money (cash or traveler's checks), try Gringo Bill's Hostal at Colla Raymi 104, just off the main square. Shops and restaurants along the two main streets, Avenida Imperio de los Incas and Avenida Pachacútec, buy dollars from gringos in need at standard exchange rates.
You'll find the police on Avenida Imperio de los Incas, down from the railway station (tel. 084/211-178).
There are Internet cabinas at the Café Internet (no phone) on Avenida Imperio de los Incas, a block away from the main square on the railroad tracks, and at a couple of places on the Plaza de Armas. Gringo Bill's Hostal (tel. 084/211-046), on Colla Raymi 104, also has Internet access. There's a post office on the corner of Manco Cápac at Avenida Imperio de los Incas. The Telefónica del Perú office (no phone) is at Av. Imperio de los Incas 132.
Note: This information was accurate when it was published, but can change without notice. Please be sure to confirm all rates and details directly with the companies in question before planning your trip.