Is 866-325-4066 a Scam Number? Questions - Answers 0 11 1 Apr 14, 2026 2026-04-14T16:28:06-05:00 Apr 14, 2026 2026-04-14T16:34:28-05:00 Online Threat Alerts (OTA) No, the telephone number 866-325-4066 is a legitimate information-only toll-free line provided by the IRS Taxpayer Advocate Service It is specifically included in the CP53E notice to provide recorded explanations regarding direct deposit changes and tax refund procedures.Key Facts About This NumberPurpose: It provides automated, recorded information about tax notices and next steps.Limitations: This line cannot transfer you to a live customer service representative, nor will it ask you to enter sensitive bank or deposit information.Official Context: It is typically mentioned in written letters (notices) sent via physical mail, which is the IRS's standard method of communication.How to Stay SafeEven though this specific number is real, scammers often "spoof" legitimate caller IDs to appear authentic. Remember these IRS safety rules:No Threats: The IRS will never threaten you with immediate arrest or demand payment over the phone using gift cards or wire transfers.Initial Contact: Official IRS contact almost always begins with a letter in the mail.Verification: If you are unsure, hang up and call the official IRS customer service line directly at 1-800-829-1040.