How do I purchase group tickets for Up At The O2? The O2 06 March 2015 14:20 Updated Follow Please call our team on 0208 463 2689. They’re open from 9am-6pm Monday to Friday. Related articles The O2 Box Office Contact Numbers for The O2 Can I collect tickets for someone else? When will I get the tickets I bought over the phone /online? How do I buy a ticket for an event at The O2? Comments 0 comments Article is closed for comments.