Get your free credit report at www.annualcreditreport.com. See if this debt is actually on the credit report. If it is, then dispute the error to them, submitting your return receipt and any evidence you have of their admission. Follow the instructions for disputing an entry at the end of the report, and make sure to keep copies of everything you submit, and send it via certified mail. AT&T will have 30 days to confirm the debt, or it will be automatically removed form each of the 3 credit bureaus.
Once the error is corrected, you have no damages, and no need to sue anyone.
Avvo doesn't pay us for these responses, and I'm not your lawyer just because I answer this question or respond to any follow-up comments. If you want to hire me, please contact me. Otherwise, please don't expect a further response. We need an actual written agreement to form an attorney-client relationship. I'm only licensed in CA and you shouldn't rely on this answer, since each state has different laws, each situation is fact specific, and it's impossible to evaluate a legal problem without a comprehensive consultation and review of all the facts and documents at issue.
No. don't bother. this is a dead end. write to the credit reporting agency and tell them your story. Make them take it off. Federal law requires that it be removed.
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