(331) 244-2964
Naperville, IL
(331) 244-2964 is likely an unwanted sales call: 3 FTC complaints, 33% recorded messages, mostly about medical and prescription offers.
- No new complaints since Apr 12, 2024 (FTC data through Nov 13, 2026).
- More FTC complaints than 96% of the 9,033 numbers with FTC complaints in area code 331.
- Only 5 numbers in the 331-244 block have more complaints, of 113 there with FTC complaints.
Complaint history
3 FTC complaints between Dec 28, 2022 and Apr 12, 2024.
The FTC complaints came in 3 of the 17 months from Dec 2022 to Apr 2024.
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
3 of its 3 FTC complaints (100%) are about medical and prescription offers, against 6% of the 11,988 FTC complaints about all numbers in area code 331.
Complaint categories chosen by FTC complainants:
- Medical & prescriptions 3 · 100%
Who called
The number's block is assigned to Onvoy, LLC in Naperville, IL.
Is it a debt collector?
Nothing says it is: none of its 3 complaints describe debt collection.
Nearby numbers in 331-244
113 numbers in 331-244 have 148 FTC complaints between them (57% robocalls), 3 of them about (331) 244-2964. The commonest categories in the block: Dropped call or no message (19%), Medical & prescriptions (9%).
The closest reported numbers on either side of (331) 244-2964, in number order.
When the calls came
Time of day of 3 calls:
Day of the week of 3 calls; most often Friday (2):
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
- Location of the number block
- Naperville, IL, USA
- Block assigned to
- Onvoy, LLC
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.
None of 3 complainants have area code 331, the number's own. The calls reached people elsewhere, so this isn't a local caller to them.
Most FTC complainants were in Illinois (2 of 3); others in Arizona (1). Statewide, Illinois ranks #11 of the 50 states and DC for Do Not Call complaints per resident: 116,978 in the last 12 months, 919.7 per 100,000 people. Spam calls in Illinois.
Where FTC complainants were located (U.S. states):
- Illinois 2 · 67%
- Arizona 1 · 33%
Complainants' cities:
Chicago, IL (1) · Naperville, IL (1) · Tempe, AZ (1)
As typed on the FTC form, with spelling variants merged; complaints without a city aren't counted.
Searches on Canadial
Loading…
Real visits to this page, counted once per visitor per day.
Did (331) 244-2964 call you?
Loading…
Answers from visitors, one per person per month (asked at the top of the page).
Report (331) 244-2964
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
- 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 (331) 244-2964
- Who called me from (331) 244-2964?
- 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, LLC in Naperville, IL (NANPA, Nov 3, 2026); numbers can move between carriers, so the caller's provider may differ.
- Is (331) 244-2964 a scam?
- Canadial rates it low risk, from 3 complaints, latest Apr 12, 2024, 33% robocalls.
- Is (331) 244-2964 a debt collector or collection agency?
- Nothing says it is: none of its 3 complaints describe debt collection.
- Should I call (331) 244-2964 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 (331) 244-2964 been reported?
- 3 complaints to the U.S. FTC's Do Not Call registry between Dec 28, 2022 and Apr 12, 2024.
- What do callers from (331) 244-2964 say?
- 3 of its 3 FTC complaints (100%) are about medical and prescription offers, against 6% of the 11,988 FTC complaints about all numbers in area code 331.
- When does (331) 244-2964 call?
- In FTC complaints, the most common day was Friday (2 of 3).
Data updated: FTC complaints through Nov 13, 2026; numbering records as of Nov 3, 2026; community reports live. How this page is built.