unionstreetplayers on "mapped domain but adding "www" routes to old blog"

I mapped domain from our old typepad blog to our new wordpress blog. The http://unionstreetplayers.com address works flawlessly, but when you put in http://www.unionstreetplayers.com it still goes to the old blog. I've looked through WP, TP and Go Daddy and I can't figure out where I fix it.