I can't change my password for my Yahoo! Mail?

I recently got phished (who the hell knows how because I never use this email) and so I went to change my password so I could stop spamming friends. I go to account info->manage passwords and it re-directs me to: https://cprodmasx.att.com/commonLogin/igate_wam/login.do which is obviously for att customers because my login doesn't work. I've tried directly going to: https://edit.yahoo.com/config/change_pw? and it says "As an SBC Yahoo! customer you have reached this page in error. Please Change your password to continue. " I am NOT an sbc yahoo customer, so I click the Change your password link and it takes me back to the cprod link i provided above. This is maddening. I don't have SBC or ATT, I just have a yahoo mail account. What is going on?