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Get your credit reports from all three nationwide credit bureaus, compare each unfamiliar account with your own records, and dispute any specific error with both the bureau and the company that supplied the information. An account you don’t recognize is a reason to investigate—not proof by itself that someone stole your identity.

Get all three credit reports

Request your reports from Equifax, Experian, and TransUnion through AnnualCreditReport.com, the official route identified by the Consumer Financial Protection Bureau (CFPB). The Federal Trade Commission (FTC) says free weekly online reports are permanently available through this service. Federal law also entitles you to a free report every 12 months from each nationwide bureau. The CFPB page additionally describes up to six free Equifax reports during a 12-month period through December 2026; that offer is time-limited.

Check all three reports. An account may appear on one report but not the others, and the details can differ. Save copies so you can identify exactly which bureau is reporting the entry.

Check whether the account is really unfamiliar

Compare each entry with statements, emails, loan paperwork, and other records you already have. A creditor may report under a parent company or a name different from the brand you remember. Also check whether you are listed as an authorized user or joint account holder rather than the primary borrower.

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  • Creditor and account type: Look for an unfamiliar lender name, card, loan, or other account. If the name is unclear, verify it using contact information from the report or the company’s official website.
  • Ownership and status: Check whether the account is individual, joint, or authorized-user, and whether it is marked open or closed.
  • Dates and amounts: Compare the opening date, balance, credit limit, and payment history with your own records.
  • Duplicate entries: Check whether the same debt appears more than once.
  • Personal information: Review names, addresses, and phone numbers for details that are wrong or unfamiliar.

The CFPB notes that a report can contain a “mixed file,” where information belonging to someone with a similar name appears on your file. Other possibilities include an inaccurate account status or details, a duplicate debt, or identity theft. The report alone may not tell you which explanation applies.

Dispute an account or detail that is wrong

File a dispute with each credit reporting company whose report shows the problem. Follow the dispute instructions on that report or the bureau’s official website. Identify the account clearly, state exactly what is inaccurate and why, and include copies—not originals—of records that support your claim. Keep copies of your report, dispute, attachments, and delivery or submission records. The CFPB’s dispute guidance recommends contacting both the reporting company and the company that supplied the information, such as a lender or card issuer.

Send a separate dispute to the furnisher—the company reporting the account—using its official dispute channel. Furnishers generally must investigate and respond within 30 days. If information is wrong or cannot be verified, they must update or remove it and notify the reporting companies. The 30-day period is a general response period, not a guarantee that every case will be finished on that schedule.

Make the dispute specific enough for the company to identify the entry and understand what you challenge. The CFPB says a reporting company may decline to investigate a dispute it reasonably considers frivolous or irrelevant, including one that does not provide enough information to identify the item.

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If you suspect identity theft, take protective steps

If the account appears to have been opened or used without your permission, report it at IdentityTheft.gov. The FTC provides an identity-theft report and recovery plan there. If a collector contacts you, do not use unverified phone numbers or links from a message; verify contact details against your report or the company’s official channel.

You can also use a security freeze or fraud alert to help reduce the risk of someone opening new credit in your name. They work differently:

Option What it does What to consider
Security freeze Restricts prospective creditors’ access to your credit file in most new-credit situations. It is free, does not affect your credit score, and must be placed separately with Equifax, Experian, and TransUnion. You may need to temporarily lift it when applying for credit. The CFPB says a paid credit lock is no more effective than a free freeze. CFPB freeze guidance
Initial fraud alert Asks businesses to take steps to verify your identity before granting new credit. You can request one from a single bureau, which must notify the other two. It lasts one year and can be renewed for free. FTC freeze and fraud-alert guidance
Extended fraud alert Provides an extended alert for identity-theft victims. The FTC says it lasts seven years. See the FTC’s fraud-alert guidance for details.

Follow up on the investigation

Read the bureau’s results and check the report again to confirm whether the entry was corrected, removed, or left unchanged. The FTC’s credit-report dispute guidance says the bureau must provide its results in writing and a free report if the dispute results in a change.

If the issue remains unresolved, you can contact the reporting company again and ask to add a brief statement to your file explaining the dispute. You may also submit a complaint to the CFPB. Keep your records, including the investigation result, in case you need to explain the problem again.

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