A consumer in Greenbrier, TN told the FCC about a call from a live person from this number on Aug 26, 2026.
The subject they gave: IRS.
866 toll-free number
866-398-3520 has 3 complaints filed with the FTC and FCC since Aug 2026, the latest . 67% describe a robocall or recorded message. The most common subject: IRS. People in 2 states complained, the most of them in New Jersey (2).
If 866-398-3520 called or texted you, add a report below. Even "silent call, no message" helps the next person decide whether to answer.
Consumers filed these complaints with the Federal Trade Commission (Do Not Call Registry) and the Federal Communications Commission, which publish them as open data. They are what people told the government, not verified findings, and the number on a complaint is the caller ID people saw, which can be spoofed.
A consumer in Greenbrier, TN told the FCC about a call from a live person from this number on Aug 26, 2026.
The subject they gave: IRS.
A consumer in Short Hills, NJ told the FCC about a robocall from this number on Aug 17, 2026.
The subject they gave: IRS.
A consumer in Carteret, NJ told the FCC about a robocall from this number on Aug 17, 2026.
We don't have a name. Consumers filed 3 complaints about 866-398-3520 with the FTC and FCC, most often about IRS, typically impersonation (IRS, SSA, bank, Amazon...). If you find out who it was, add a report on this page.
Its ShadyCall Score is 70/100 (shady call), from 3 FTC/FCC complaints. Reports and complaints are people's own experiences, not verified facts, and scammers can fake a caller ID.
866-398-3520 is a toll-free number, so it isn't tied to a place. Toll-free numbers can ring anywhere in the US and Canada.
On an iPhone open Recents, tap the info button next to the number and choose Block Caller. On Android open the Phone app, tap the number in your call history and choose Block (or Block / report spam). Full instructions for every phone and landline.
Use the form on this page. It's free, anonymous and takes 30 seconds. Also report unwanted sales calls at donotcall.gov and scams at ReportFraud.ftc.gov, and forward spam texts to 7726. If you lost money or shared bank details, call your bank straight away.
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