(866) 873-4835
Toll-free number
(866) 873-4835 is likely an unwanted sales call: 32 FTC complaints, 13% recorded messages.
- No new complaints since Jul 21, 2023 (FTC data through Nov 13, 2026).
- More FTC complaints than 99% of the 75,471 numbers with FTC complaints in area code 866.
- Only 1 number in the 866-873 block has more complaints, of 29 there with FTC complaints.
Complaint history
32 FTC complaints between Dec 7, 2022 and Jul 21, 2023.
The FTC complaints came in 6 of the 8 months from Dec 2022 to Jul 2023; the busiest was Mar 2023, with 15 of 32.
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.
What callers claimed
Complaint categories chosen by FTC complainants:
- Not specified / other 23 · 72%
- Energy, solar & utilities 4 · 13%
- Medical & prescriptions 3 · 9%
- Dropped call or no message 1 · 3%
- Reducing your debt (credit cards, mortgage, student loans) 1 · 3%
Who called
(866) 873-4835 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 32 complaints describe debt collection.
Nearby numbers in 866-873
The closest reported numbers on either side of (866) 873-4835, in number order.
When the calls came
Time of day of 31 calls; most often the 10 a.m. hour (8):
Day of the week of 32 calls; most often Monday (7):
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.
Most FTC complainants were in Oklahoma (18 of 32); others in Illinois (12), Massachusetts (1) and Tennessee (1). Statewide, Oklahoma ranks #1 of the 50 states and DC for Do Not Call complaints per resident: 46,276 in the last 12 months, 1122.3 per 100,000 people. Spam calls in Oklahoma.
Where FTC complainants were located (U.S. states):
- Oklahoma 18 · 56%
- Illinois 12 · 38%
- Massachusetts 1 · 3%
Show 1 more states Show fewer
- Tennessee 1 · 3%
Complainants' cities:
Sand Springs, OK (10) · Knoxville, TN (1) · West Dennis, MA (1)
As typed on the FTC form, with spelling variants merged; complaints without a city aren't counted.
Searches on Canadial
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Report (866) 873-4835
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Recent community reports
No community reports yet. Be the first to describe this call.
What to do
- Don't share personal or banking details, or pay anyone, on a call you didn't expect. Hang up and call the organization back on a number you find yourself.
- Block it from your recent calls (iPhone: ⓘ, then “Block this Caller”; Android: long-press, then “Block”).
- Report fraud to the Canadian Anti-Fraud Centre (1-888-495-8501).
- Report telemarketing if you're registered and still got the call: to the National Do Not Call List.
- A collector calling? How to check a collection agency in your province.
- Report fraud to the FTC.
- Report telemarketing if you're registered and still got the call: to the National Do Not Call Registry.
- A collector calling? See the FTC's guide to your rights.
- Report fraud: in the U.S. to the FTC; in Canada to the Canadian Anti-Fraud Centre (1-888-495-8501).
- Report telemarketing if you're registered and still got the call: in the U.S. to the National Do Not Call Registry; in Canada to the National Do Not Call List.
- A collector calling? In the U.S., see the FTC's guide to your rights; in Canada, how to check a collection agency in your province.
Questions about (866) 873-4835
- Who called me from (866) 873-4835?
- No complaint names the caller; FTC complainants most often said the calls were about energy, solar and utilities. It's a toll-free number, which isn't tied to a place, and no public record shows which company holds it.
- Is (866) 873-4835 a scam?
- Canadial rates it medium risk, from 32 complaints, latest Jul 21, 2023, 13% robocalls.
- Is (866) 873-4835 a debt collector or collection agency?
- Nothing says it is: none of its 32 complaints describe debt collection.
- Should I call (866) 873-4835 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) 873-4835 been reported?
- 32 complaints to the U.S. FTC's Do Not Call registry between Dec 7, 2022 and Jul 21, 2023.
- What do callers from (866) 873-4835 say?
- The most common complaint category is "Energy, solar & utilities" (13% of FTC complaints).
- When does (866) 873-4835 call?
- In FTC complaints, the most common time was the 10 a.m. hour (8 of 31 calls with a time); the most common day was Monday (7 of 32).
Data updated: FTC complaints through Nov 13, 2026; community reports live. How this page is built.