To stop tax resolution scam calls, block unknown numbers on your phone, turn on your carrier’s spam filter, add your number to the National Do Not Call Registry, and report any impersonators to the Treasury Inspector General for Tax Administration and the FTC. None of these steps will silence every call, but together they cut the volume sharply and give you a paper trail if a scammer ever tries something worse. The calls keep coming because they work on someone; understanding how the real IRS operates is what makes them stop working on you.
Block the Calls at the Phone and Carrier Level
Start with the settings already on your phone. On an iPhone, the Silence Unknown Callers setting sends any number that isn’t in your contacts straight to voicemail. On Android, the phone app has a Caller ID and Spam Protection toggle that flags suspected scam numbers before you pick up.
Then add your carrier’s filter on top. Most major wireless providers offer a free call-filtering app or built-in service that compares incoming numbers against live databases of reported scam numbers. The advantage over phone-level settings is that carrier filters catch spoofed numbers that rotate frequently, which is exactly how most tax scam operations run their calls. Check your carrier’s app store listing; the basic tier is usually free.
Add Your Number to the Do Not Call Registry
The National Do Not Call Registry is a federal list managed by the FTC that tells telemarketers you don’t want sales calls.1Office of the Law Revision Counsel. 15 USC Chapter 87A – National Do-Not-Call Registry Register at donotcall.gov or by calling the registry’s toll-free line. Once your number is on the list, it stays there permanently unless you remove it or disconnect the line.
Telemarketers must scrub their call lists against the registry at least every 31 days.2eCFR. 16 CFR 310.4 – Abusive Telemarketing Acts or Practices Companies that violate the rule face civil penalties of up to $53,088 per unauthorized call.3eCFR. 16 CFR 1.98 – Adjustment of Civil Monetary Penalty Amounts
Know the limits before you rely on it. The registry only covers telemarketing calls, meaning calls trying to sell you something. Debt collection calls, including calls from IRS-authorized private collectors, are not telemarketing and are not covered. And criminals impersonating the IRS obviously don’t check the registry at all. Registering is still worth doing, because a legitimate company that calls you 31 days after you sign up is breaking the law, and that strengthens any complaint you file later.
Verify Whether You Actually Owe Taxes
Scam calls work by making you doubt yourself. Close that door before you answer another one. The fastest way to check is your IRS Online Account, which shows your balance owed by tax year, payment history, and tax records.4Internal Revenue Service. Online Account for Individuals Setup requires identity verification through ID.me, but once it’s done you have an authoritative answer in minutes.
If the online account isn’t an option, request an account transcript by mail or call the IRS directly using the number printed on a notice you already received. Never call a number a caller gave you; look it up yourself on IRS.gov. If your account shows no balance and no notices, the call was a scam.
One rule the real IRS follows: the first contact about a tax balance almost always arrives as a letter through the U.S. Postal Service.5Internal Revenue Service. What Taxpayers Should Do if They Receive Mail From the IRS The IRS will never make first contact through social media or text message.
Red Flags That Tell You to Hang Up
The IRS publishes warning signs of a fraudulent call, and they follow a pattern of urgency, threats, and unusual payment demands.6Internal Revenue Service. Recognize Tax Scams and Fraud
- Threats of arrest, deportation, or license revocation over the phone. The IRS does not do this.
- Demands for immediate payment with no chance to appeal. Real IRS notices include deadlines and appeal rights.
- Requests for payment by gift card, prepaid debit card, wire transfer, or cryptocurrency. The IRS accepts none of these.
- Refusal to let you hang up and verify the debt independently.
- Promises to slash your tax debt to “pennies on the dollar” before anyone has looked at your finances.
One marker is enough. Hang up, and verify on your own terms.
When a Collection Call Might Be Real
The IRS does use private collection agencies for certain overdue tax debts. Three companies currently hold IRS contracts: CBE Group, Coast Professional, and ConServe.7Internal Revenue Service. Private Debt Collection They are authorized to call you. What makes their calls verifiable is the paperwork that precedes them.
Before any private collector reaches out, the IRS sends a CP40 notice naming the agency assigned to your account and giving you a taxpayer authentication number to confirm identity in both directions.8Internal Revenue Service. Understanding Your CP40 Notice The collection agency then sends its own letter confirming the assignment.9Internal Revenue Service. Understanding Your CP140 Notice No CP40, no CP140, no legitimate call.
Even the real collectors have hard limits. They cannot accept payment directly; all payments go to the IRS.11Internal Revenue Service. Private Debt Collection FAQs
Watch for Offer in Compromise Pitches
The pitch that gives “tax resolution” its bad name usually involves the Offer in Compromise program. Predatory firms advertise settlements for a fraction of what you owe, charge thousands in upfront fees, and file paperwork the IRS rejects because you never qualified.
The program is real, but the IRS approves an offer only when the amount represents the most it can reasonably expect to collect. Eligibility turns on your ability to pay, income, expenses, and asset equity.10Internal Revenue Service. Offer in Compromise You must be current on all required tax returns and estimated payments, and you can’t be in an open bankruptcy proceeding. The application requires a $205 non-refundable fee, waived for low-income applicants, plus Form 433-A for individuals or 433-B for businesses.
Before paying anyone to evaluate your case, run the IRS Offer in Compromise Pre-Qualifier Tool yourself. It’s free, takes about ten minutes, and tells you whether an offer is worth pursuing.12IRS Treasury. Offer in Compromise Pre-Qualifier Any company that guarantees approval or pressures you into a retainer before reviewing your finances is one to avoid. Hourly rates for legitimate tax professionals doing resolution work range from $150 to over $1,000, so a rushed retainer can cost you badly.
Report the Call
Reporting matters even when nothing seems to come of a single complaint. Federal agencies aggregate reports to trace operations and build criminal cases. Before you file, write down the caller ID number, the date and time, what the caller claimed, any names or badge numbers they gave, and any dollar amount demanded.
For calls where someone impersonated an IRS employee, report to the Treasury Inspector General for Tax Administration (TIGTA) at 1-800-366-4484 or through their online complaint form.13U.S. Treasury Inspector General for Tax Administration OIG. Submit a Complaint Then file with the FTC at reportfraud.ftc.gov, which feeds the Consumer Sentinel database used by law enforcement nationwide.14Federal Trade Commission. Report Fraud Impersonating a federal employee is a felony carrying fines and up to three years in prison.15Office of the Law Revision Counsel. 18 USC 912 – Officer or Employee of the United States
For phishing that arrives by email or text, don’t reply, click, or open attachments. Forward the message to phishing@irs.gov with “IRS” in the subject line for IRS-themed messages or “Treasury” for Treasury-themed ones.16Internal Revenue Service. Report Fake IRS, Treasury or Tax-Related Emails and Messages The IRS asks that you send emails as attachments rather than plain forwards, since that preserves the header information investigators use.
If You Already Shared Information, Get an IP PIN
If a caller got your Social Security number, bank details, or other personal information out of you, assume it may be used to file a fraudulent return in your name. The IRS Identity Protection PIN program is the strongest preventive tool available. An IP PIN is a six-digit number tied to your Social Security number that must appear on any federal return filed under that number; without the correct PIN, the IRS rejects the return.17Internal Revenue Service. Frequently Asked Questions About the Identity Protection Personal Identification Number (IP PIN)
The fastest route is your IRS Online Account. Log in, go to the Profile tab, and enroll. A new PIN generates automatically each year. If you can’t use the online system and your adjusted gross income is below $84,000 for individuals or $168,000 for married filing jointly, you can apply by submitting Form 15227. Anyone who can’t use either option can schedule an in-person visit at a Taxpayer Assistance Center. You can also request an IP PIN for dependents 18 and older through their own Online Account, or file Form 15227 for dependents under 18.17Internal Revenue Service. Frequently Asked Questions About the Identity Protection Personal Identification Number (IP PIN)