INGUAT (7 Av, 1-17, Zona 4 (Centro Cívico), 24 hrs T1801-464-8281, T2421-2800, http://www.visitguatemala.com, Mon-Fri 0800-1600. English is sometimes spoken) . They are very friendly and provide a hotel list, a map of the city, and general information on buses, market days, museums, etc. They also have an office in the airport arrivals hall (T2331-4256, 0600-2100) where staff are exceptionally helpful and on the ball.
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