AT&T Wireless (formerly Cingular) Fraud New York, New York

I am writing this out of extreme frustration with AT&T Wireless.  I have owned a small business in California for 16 years and have had this same phone number through all of their corporate changes the entire time (to Cingular, back to AT&T, etc).  I am the sole business owner. 

I admit that I haven't had any problems with this account or with AT&T up until now.  Approximately November of 2009 I received my usual email to pay my bill online and I logged in to pay it.  My password wouldn't work.  I phoned AT&T to clear this up and they refused to give me any information saying that I needed to contact my company Administrator.  Growing more frustrated I kept stating that I was the only person on the account and they stated that no, they had a different name listed but they refused to give me the name.  They said I was only an authorized user.  Well, about ten phone calls, which included AT&T reps hanging up on me, AT&T reps leaving me on hold forever, AT&T reps promising to call me back and then never returning my calls, it became clear that an AT&T employee, by the name of S. Zomorrodi had put his or her name down as the owner of my account.  The account rep stated it, was "no big deal" and just a mix up and that he would put it through to be fixed.  Well, fast forward to almost April of 2010.  It has NOT been fixed.  I still cannot access my account yet I am expected to pay for it.  I feel like I have been beating my head against a brick wall of sheer and utter incompetency. 

They seem completely incapable of being able to merely look at my account and determine that I did not, as the ONLY authorized person on the account WITH A PASSCODE did NOT authorize this.  So far I have five months of billing that I have paid and I have NO BILLING STATEMENT for them as I had signed up for paperless billing and was accustomed to downloading them.  I can't change to regular paper billing because I'm not authorized.  For my own company. 

I have called AT&T every single month and have gone through the same circus act of being on hold, being told it was being "researched", being promised a phone call back, being assured it would be resolved and, oh, I need to pay my bill in the meantime or my phone will be shut off. 

Is there anything else I can do?? I'm going to go into the physical store and see if any real life people can help me but I was told on the phone not to bother doing that, that they would just call the same phone numbers I've been calling.

I can't believe I am this TRAPPED.  I NEED my cell phone and current phone number to remain as is for now as I have over 200 business contacts in my contact list.  Due to the nature of my business I can't just arbitrarily switch providers and thus numbers.  I would love to though! I would love to tell them where to stick it and have them forward all future bills to this "AT&T employee"'s house.  I investigated this person's identity and I have their home address and phone but so far when I call their home phone it just rings.  I may go to a private investigator to see if I can get more information on this person and demand they fix their mistake.  Maybe contacting them in their off hours will shock them enough into taking action. 

THIS IS INSANE.