Area Code -- The telephone area code is 444.
Climate -- San Luis is on the high plateau more than a mile above sea level, but the weather can get hot during May, June, and sometimes July. In winter it occasionally drops to freezing at night. Rain is rare, with an average total of 14 inches per year; it falls between May and November, mostly in August.
Consular Agency -- San Luis Potosí has a U.S. Consular Agency at Av. Venustiano Carranza 2076-41 (tel. 444/811-7802, -7803; Mon-Fri 8:30am-12:30pm).
Currency Exchange -- Four casas de cambios near the main post office offer better rates and better service than the banks. Two are in the arcade on Julián de los Reyes, and two are on Mariano Escobedo. This is just a few blocks northeast of the Plaza de Armas. All are open Saturday. The historic district has many ATMs.
Emergency -- San Luis's central emergency number is tel. 060.
Hospital -- The Hospital Centro Médico, Antonio Aguilar 155 (tel. 444/813-3797), is one of the best in the country.
Post Office -- The correos, Universidad 526-A, is by the church of San Agustín. Hours are Monday through Friday from 8am to 5pm, Saturday 8am to 2pm.
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.
