Conan tapes at 30 Rockefeller Center in the G.E. building Tuesdays through Fridays. You can request up to four tickets at one time; if you are requesting a specific date, it's best to write several months in advance, as availability is limited. You must be at least 16 years old; ID is required.
While they prefer phone requests for The Late Show, you can also send a postcard with name, address, and telephone number to:
Late Night Tickets
30 Rockerfeller Center
New York, NY 10112
Available starting 9 am Tuesday-Friday at the 49th Street entrance of the G.E. building, and given out one per person on a first-come first-served basis.