Does anyone know hot to contact Yahoo Support for Mail? No email access since July 11!! A real person?

I have one time reached a chat consultant through the help pages but have been unsuccessful since. She could not help the situation and said that someone else would escalate the issue and email me within 24-48 hours. No luck; no email. I keep getting unresponsive stock responses when I try the help area again. Answers totally suck. They don't help one bit. I have not had access for several days now. The mailbox won't open. No one can send mail to me. It's a fatal error and just gets bounced back to them with the dreaded Mailer Daemon. SOMEONE PLEASE HELP!!!!! One of stock responses is it's my ISP which it's not but they keep sending that back to me. I have another Yahoo email/access and sign in that I'm using here. So it's definitely not their stock problem and therefore it works. It's a YAHOO problem than no one there will assist me with. Very frustrating. Here is the error message when my mailbox won't open:

We're experiencing some technical difficulties...

We’re sorry, but Yahoo! Mail can't load due to a temporary error. You can try back again shortly, or visit our help pages for ways to troubleshoot the issue.

Try again

Visit Help for troubleshooting instructions

Temporary error: ymws:Server.MailboxOpenFailed

Obviously NOT a TEMPORARY problem!!!!!

Supposedly escalated but no response back; no service; no access to mailbox. NOTHING!!!!!