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What to do if…
you receive a debt collection letter for a debt you do not recognise

Short answer

Don’t pay or admit the debt. Send a written dispute/validation request promptly—ideally immediately, and within 30 days of the validation notice—so the collector must verify it before continuing collection.

Do not do these things

  • Don’t call in a panic and “confirm” sensitive information (SSN, full DOB, bank details).
  • Don’t make any payment or agree to a plan “just to make it go away” before you get verification in writing.
  • Don’t ignore later letters that look like legal notices or court papers.
  • Don’t rely on phone conversations—keep it written and keep copies.

What to do now

  1. Lock in your evidence.
    Scan/photograph the letter (all pages) and the envelope. Start a log with dates/times and a note of what they claimed.
  2. Do a quick legitimacy check (without using their links).
    Make sure the letter includes the collector’s name and mailing address, the amount, and the creditor name. If anything feels off, don’t click links or call numbers from the letter—look up the company independently and use the verified mailing address.
  3. Send a written dispute + request for verification.
    In one short letter, say:
    • “I dispute this debt because I don’t recognize it,” and
    • “Please provide verification of the debt,” and (if needed) “Please provide the name and address of the original creditor.”
      Important: a written dispute/request within the 30-day window is what triggers the requirement to pause collection until they mail verification. Keep a copy and proof you sent it (for example, certified mail/return receipt or another trackable method).
  4. Check your credit reports using the official source.
    Get your reports at AnnualCreditReport.com and look for unfamiliar accounts, collection tradelines, addresses, and hard inquiries. Save screenshots/PDFs of anything you don’t recognize.
  5. If identity theft is possible, contain it now.
    • Place a credit freeze with Equifax, Experian, and TransUnion (strongest for stopping new accounts).
    • Consider a fraud alert as well if you want creditors to take extra steps to verify you.
    • If you believe your identity was used, make a report and recovery plan at IdentityTheft.gov.
  6. Dispute credit-report errors in two places.
    If the debt is on your credit report, dispute it with the credit bureaus and also dispute it directly with the company furnishing the information (the collector or lender). Attach your documentation (your dispute letter, delivery proof, and any identity theft report).
  7. If contact becomes overwhelming, you can limit it—carefully.
    You can send a written request to stop further communication. Under federal law, they may still contact you in limited ways (for example, to confirm they’ll stop or to notify you about specific actions like a lawsuit). Keep watching your mail.
  8. Escalate if they won’t fix it or seem abusive.
    File a complaint with the Consumer Financial Protection Bureau (CFPB) and report scams/impersonation to the FTC. Include your timeline and copies of letters.
  9. If you’re served with a lawsuit, treat it as urgent.
    Court deadlines are short and vary by state. Get legal help quickly (legal aid or a consumer attorney) and respond on time—even if the debt isn’t yours.

What can wait

  • You don’t need to decide today whether to hire a lawyer—first, get your written dispute/verification request sent and secure your credit.
  • You don’t need to argue details on the phone; keep it written and factual.
  • You don’t need to “prove a negative” immediately—your first job is to dispute, document, and force verification.

Important reassurance

Getting a collection letter for a debt you don’t recognize is common—errors happen, debts are sold with messy data, and scams exist. A fast written dispute plus credit-protection steps usually brings things back under control.

Scope note

This is first steps only: prevent accidental admission/payment, trigger verification rights, and protect your credit. If you receive court papers, you may need state-specific legal help.

Important note

This is general information, not legal advice. Rights and deadlines can vary by situation and state. When in doubt, keep everything in writing and act promptly when you receive official notices.

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