(810) 644-3804
(810) 644-3804 has 2 FTC complaints, mostly about medical and prescription offers.
- No new complaints since May 29, 2026 (FTC data through Nov 13, 2026).
- More FTC complaints than 88% of the 17,090 numbers with FTC complaints in area code 810.
- Only 1 number in the 810-644 block has more complaints, of 42 there with FTC complaints.
Complaint history
2 FTC complaints between Dec 7, 2025 and May 29, 2026.
The FTC complaints came in 2 of the 6 months from Dec 2025 to May 2026.
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
1 of its 2 FTC complaints (50%) is about medical and prescription offers, against 9% of the 20,441 FTC complaints about all numbers in area code 810.
Complaint categories chosen by FTC complainants:
- Medical & prescriptions 1 · 50%
- Not specified / other 1 · 50%
Who called
The number's block is assigned to Onvoy, Llcv.
Is it a debt collector?
Nothing says it is: none of its 2 complaints describe debt collection.
Nearby numbers in 810-644
42 numbers in 810-644 have 45 FTC complaints between them (58% robocalls), 2 of them about (810) 644-3804. The commonest categories in the block: Calls pretending to be government, businesses, or family and friends (22%), Medical & prescriptions (22%), Dropped call or no message (7%).
The closest reported numbers on either side of (810) 644-3804, in number order.
All reported numbers in 810-644 →When the calls came
Time of day of 2 calls:
Day of the week of 2 calls:
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
- Rate centre (NANPA abbreviation)
- SWARTZ CRK, MI, USA
- Block assigned to
- Onvoy, Llcv
From the North American Numbering Plan Administrator (Nov 3, 2026). This is who the number block was assigned to; numbers can be moved between carriers, and caller IDs can be faked.
Both FTC complainants were in Michigan. Statewide, Michigan ranks #8 of the 50 states and DC for Do Not Call complaints per resident: 97,922 in the last 12 months, 966.9 per 100,000 people. Spam calls in Michigan.
Where FTC complainants were located (U.S. states):
- Michigan 2 · 100%
Complainants' cities:
Imlay City, MI (1) · Warren, MI (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 (810) 644-3804
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Recent community reports
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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 (810) 644-3804
- Who called me from (810) 644-3804?
- No complaint names the caller; FTC complainants most often said the calls were about medical and prescription offers. The number is in a block assigned to Onvoy, Llcv (rate centre SWARTZ CRK, MI) (NANPA, Nov 3, 2026); numbers can move between carriers, so the caller's provider may differ.
- Is (810) 644-3804 a scam?
- Canadial rates it low risk, from 2 complaints, latest May 29, 2026.
- Is (810) 644-3804 a debt collector or collection agency?
- Nothing says it is: none of its 2 complaints describe debt collection.
- Should I call (810) 644-3804 back?
- Be careful. If you don't recognize it, let it go to voicemail: a legitimate caller will leave a message, and you can reach any real organization on a number you look up yourself.
- How many times has (810) 644-3804 been reported?
- 2 complaints to the U.S. FTC's Do Not Call registry between Dec 7, 2025 and May 29, 2026.
- What do callers from (810) 644-3804 say?
- 1 of its 2 FTC complaints (50%) is about medical and prescription offers, against 9% of the 20,441 FTC complaints about all numbers in area code 810.
Data updated: FTC complaints through Nov 13, 2026; numbering records as of Nov 3, 2026; community reports live. How this page is built.