Our postal mail address is: World Science Fiction Society, Post Office Box 64128, Sunnyvale CA 94088, USA.
Do not post questions about a specific Worldcon here. Do not send us questions about how to join a specific Worldcon, how to rent a dealer table, how to be in the art show, how to be on convention programming, or other questions about an individual Worldcon. We cannot answer them.
For questions about a specific Worldcon contact that Worldcon directly. If you send us a question about a specific Worldcon, all that the Worldcon web site team can do is forward your questions on to the individual Worldcon.
For email contact please use the following form: