My ATT wireless number has been stolen

Your number was not stolen, it is being spoofed. Unfortunately, this is a very common thing for scammers to do and there is nothing I know of that any carrier can do about it. These scam calls typically originate from overseas. 

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@dannkelley wrote:

What can ATT&T do to restore my phone number to me?

The 314-308-**** exchange has been stolen and is being used to target 308 ATT costumers. They receive calls and my # shows up on their screen's Caller ID. THEN they call the number back so that MY phone rings all day long and people leave messages on my voice mail. But I have called NO one. I am the victim of phone fraud or as the industry has labeled it "Spoofing." This phone fraud is part of a telemarketing campaign aimed at scamming unsuspecting people into releasing personal information. I am not the only victim. My personal phone number has been hijacked and is being used against my permission to scam 308 costumers into answering the call from a "familiar" or similar number. Some of these ATT 308 costumers are very gullible and no doubt more than one of them will give the telemarketer or nefarious caller private info. I consider this a breach of privacy, an attempt to defraud Missourians, and a violation of the law regarding NO CALL regulations. Not to mention that this is FRAUD. The ATT representative told me to report this as fraud. I have called ALL the blasted numbers ATT suggests over the last 6 weeks. Now, with hundreds of phone calls from people trying to return a missed call, my phone is jammed with hundreds of people calling my number back and leaving messages on the voice mail. Please tell me someone at ATT or in law enforcement is smarter than the corrupt programers who are using technology and ATT to defraud costumers. Will ATT respond and help?

 This is the same kind of malicious software used by person calling in bomb threats recently to the Jewish Community Centers.

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Spoofing caller ID info certainly is illegal and the callers are attempting to defraud others (not you), so you really aren't the "victim" of a crime, at least technically speaking. 

Unfortunately, that means there's not a whole lot you can do. You can change your voicemail message to explain what's happening, hope people trying to get a hold of you leave a message, and that people calling back the "spoofer" understand. Eventually the fraudster will move on to a new spoofed number and the calls should stop. 

Alternatively, you can change your phone number. 

That's really all you can do. You haven't really been defrauded of anything (again, technically speaking; I'm sure it feels like you have been, though), so there's nothing you can "report". 

I know that's not what you want to hear, and believe me, I can understand how annoyed (to put it mildly) you must be, but that the way it is.