I've been trying to through on the phone with Blizzard for the past hour and half. I'm unable to log into my own account for the past day with my keychain authenticator. I'm currently using a buddy's account to post this. This is ridiculous !
Please understand that they are experiencing high call volumes for the time being; if you get a busy dial tone please keep trying. Your patience is appreciated during this time. You can also reach them via web form and by email regarding your questions here: