.:.  The InfoMilano service is no longer located at the Urban Center, in the Galleria Vittorio Emanuele II at the corner with Piazza della Scala. You now find it at Piazza del Duomo 14, which is one of the doorways to Palazzo Reale (pictured). It is open to the public Mon-Fri 9am-7pm, Sat and Sun 10am-1pm; closed on December 25 and January 1st. Their e-mail address is infotourist@comune.milano.it.
subway: Duomo (lines 1 red and 3 yellow)
    02 88455555

.:. A YesMilano office is in operation at Via dei Mercanti, 8, opposite the Palazzo della Ragione. It is open to the public Mon-Fri 10am-6:30pm, Sat and Sun 1:30-5:30pm; closed on December 25 and January 1st.
subway: Cordusio (line 1 red)
    02 85155931

.:. Bus tours can be booked nearly every day through Musement. The ticket price may include a visit to the Last Supper.