You'll find ATMs in the courtyards of the historic Casa Ricketts at San Francisco 108, now the offices of Banco Continental. Other banks in the historic center include Banco Latino, at San Juan de Dios 112, and Banco de Crédito, at General Morán 101. Money-changers can generally be found waving calculators and stacks of dollars on the Plaza de Armas and major streets leading off the main square. There are several casas de cambio near the Plaza de Armas and Global Net ATMs in several shops around the plaza; one is Arequipa Inversiones, Jerusalén 109.
The general emergency number in Arequipa is tel. 105. If you need the police, call the Policía Nacional (national police) at tel. 054/254-020, or Policía de Turismo (tourist police), Jerusalén 315, at the corner of Ugarte, at tel. 054/201-258. For fire emergencies, call tel. 116. If you need medical attention, go to Clínica Arequipa, Avenida Bolognesi at Puente Grau (tel. 054/253-416), which has good service and English-speaking doctors. You can also try Hospital General, Peral s/n (tel. 054/231-818) or Hospital Regional, Av. Daniel Alcides Carrión s/n (tel. 054/231-818).
Arequipa has plenty of Internet cabinas. Most are open daily from 8am to 10pm, charge S/2 per hour, and have Net2Phone or other programs that allow very cheap Web-based international phone calls. Two of the cheapest and fastest cabinas are La Red, Jerusalén 306B (tel. 054/286-700), and TravelNet, Jerusalén 218 (tel. 054/205-548). Another good spot is Catedral Internet, in the small passageway behind the cathedral. An only slightly more expensive option that's open a bit later is Catedral Internet, Pasaje Catedral 101 (tel. 054/282-074), on the pedestrian mall just behind the cathedral.
The main Serpost (post office) is located at Moral 118 (tel. 054/215-247). A DHL office is located at Santa Catalina 115 (tel. 054/220-045). Telefónica del Perú offices are located at Alvarez Thomas 209 (tel. 054/281-112) and Av. Los Arces 200B, in the Cayma district (tel. 054/252-020).
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.