The Yankee Stadium mailing address is: One East 161st Street, Bronx, NY 10451.
Shea Stadium USED to be located in Flushing Meadow, New York. However, the Mets moved into a new home, Citi Field, in 2009. Shea is now demolished.
Check out the US Postal service guide - really helpful.
Jane Jarvis
go to: http://www.mascothalloffame.com/virtual/hall/index.html?staff_id=40