800-745-3000 -- US Ticket Sales (to buy tickets)
866-448-7849 -- Ticketmaster Express (automated, works after hours)
800-653-8000 -- Customer Service
800-943-4327 -- TDD (Telecommunications Device for the Deaf)
800-982-2787 -- US Arts Sales (symphony, ballet, theater tickets)
Charge by Phone has event information and ticket sales for Madison, Milwaukee, and Chicago. It also has information on most Wisconsin and Illinois sporting events (Milwaukee Bucks, Admirals, etc.)
The Ticketmaster outlets at West Towne Malls and local Walmarts are walk-up services only.