Canadial Know Who Called

(866) 566-9255

Toll-free number

Medium risk

(866) 566-9255 is reported as unwanted: 2 FTC complaints and 1 FCC complaint, mostly about computer and tech support.

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Did (866) 566-9255 call you?
2
FTC complaints
1
FCC complaints
Jul 29, 2026
Latest report

Complaint history

2 FTC complaints between Feb 21, 2025 and Mar 10, 2026.

The FTC complaints came in 2 of the 14 months from Feb 2025 to Mar 2026.

Feb 2025: 1Mar 2025: 0Apr 2025: 0May 2025: 0Jun 2025: 0Jul 2025: 0Aug 2025: 0Sep 2025: 0Oct 2025: 0Nov 2025: 0Dec 2025: 0Jan 2026: 0Feb 2026: 0Mar 2026: 1Feb 2025 Mar 2026
FTC complaints per month (by call date); peak 1 in a month.

FTC complaints are filed by consumers with the U.S. Federal Trade Commission's Do Not Call registry; they aren't verified by the FTC or by us.

Complaints to the FCC

1 complaint to the U.S. Federal Communications Commission on Jul 29, 2026; all gave it as the number to call back rather than the caller ID.

The complainant heard a recorded message. They filed it as unwanted calls (1). The calls were about google listings (1). Complainants were in Nevada (1).

Source: FCC Consumer Help Center, Consumer Complaints Data (public domain), complaints about unwanted calls, telemarketing and robocalls. The FCC doesn't verify the facts alleged in complaints, and neither do we.

What callers claimed

Complaint categories chosen by FTC complainants:

  • Computer & technical support 1 · 50%
  • Vacation & timeshares 1 · 50%

Who called

(866) 566-9255 is a toll-free number. Toll-free numbers aren't tied to a place, and no public record shows which company holds them.

Is it a debt collector?

Nothing says it is: none of its 3 complaints describe debt collection.

Nearby numbers in 866-566

The closest reported numbers on either side of (866) 566-9255, in number order.

All reported numbers in 866-566 →

When the calls came

Time of day of 2 calls:

12a 6a 12p 6p

Day of the week of 2 calls:

Sun Mon Tue Wed Thu Fri Sat

The date and time of the call as complainants entered them on the FTC form; the time zone isn't recorded. Times entered as exactly midnight or noon are left out (they're usually the form's default).

Location

Toll-free numbers can be answered anywhere in Canada and the U.S.; the number itself says nothing about where the caller is.

FTC complainants were in Oregon (1) and Virginia (1).

Where FTC complainants were located (U.S. states):

  • Oregon 1 · 50%
  • Virginia 1 · 50%

Complainants' cities:

Portland, OR (1) · Richmond, VA (1)

As typed on the FTC form, with spelling variants merged; complaints without a city aren't counted.

Toll-free code 866: spam calls and most-reported numbers →

Searches on Canadial

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Real visits to this page, counted once per visitor per day.

Did (866) 566-9255 call you?

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Answers from visitors, one per person per month (asked at the top of the page).

Report (866) 566-9255

Tell others what the call was about. Reports appear on this page; no account needed.

Recent community reports

No community reports yet. Be the first to describe this call.

What to do

Questions about (866) 566-9255

Who called me from (866) 566-9255?
No complaint names the caller; FTC complainants most often said the calls were about computer and tech support. It's a toll-free number, which isn't tied to a place, and no public record shows which company holds it.
Is (866) 566-9255 a scam?
Canadial rates it medium risk, from 3 complaints, latest Jul 29, 2026.
Is (866) 566-9255 a debt collector or collection agency?
Nothing says it is: none of its 3 complaints describe debt collection.
Should I call (866) 566-9255 back?
No. Calling back can confirm that your line is answered. If the caller claimed to be a company or agency you deal with, contact it on a number you find yourself.
How many times has (866) 566-9255 been reported?
2 complaints to the U.S. FTC's Do Not Call registry between Feb 21, 2025 and Mar 10, 2026 and 1 complaint to the U.S. FCC on Jul 29, 2026.
What do callers from (866) 566-9255 say?
The most common complaint category is "Computer & technical support" (50% of FTC complaints).

Data updated: FTC complaints through Nov 13, 2026; FCC complaints refreshed daily; community reports live. How this page is built.