(515) 355-9937
Williams, IA
(515) 355-9937 is likely an unwanted sales call: 12 FTC complaints, 0% recorded messages, mostly about charity donations.
- No new complaints since Jan 6, 2024 (FTC data through Nov 13, 2026).
- More FTC complaints than 99% of the 14,818 numbers with FTC complaints in area code 515.
- No number in the 515-355 block has more complaints; 198 numbers there have FTC complaints.
Complaint history
12 FTC complaints between Jan 5, 2024 and Jan 6, 2024.
All 12 FTC complaints are about calls in Jan 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
12 of its 12 FTC complaints (100%) are about charity donations; across area code 515 that isn't one of the 8 commonest call types (each of those is at least 1% of its FTC complaints).
Complaint categories chosen by FTC complainants:
- Charities 12 · 100%
Who called
The number's block is assigned to Onvoy, LLC in Williams, IA.
Is it a debt collector?
Nothing says it is: none of its 12 complaints describe debt collection.
Nearby numbers in 515-355
The closest reported numbers on either side of (515) 355-9937, in number order.
All reported numbers in 515-355 →When the calls came
Time of day of 12 calls; most often the 9 a.m. hour (11):
Day of the week of 12 calls; most often Friday (11):
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
- Williams, IA, 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.
1 of 12 complainants has area code 515, the number's own. The calls reached people elsewhere, so this isn't a local caller to them.
Most FTC complainants were in Iowa (11 of 12). Statewide, Iowa ranks #36 of the 50 states and DC for Do Not Call complaints per resident: 20,135 in the last 12 months, 621.8 per 100,000 people. Spam calls in Iowa.
Where FTC complainants were located (U.S. states):
- Iowa 11 · 92%
Complainants' cities:
Blockton, IA (11)
As typed on the FTC form, with spelling variants merged; complaints without a city aren't counted.
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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 (515) 355-9937
- Who called me from (515) 355-9937?
- No complaint names the caller; FTC complainants most often said the calls were about charity donations. The number is in a block assigned to Onvoy, LLC in Williams, IA (NANPA, Nov 3, 2026); numbers can move between carriers, so the caller's provider may differ.
- Is (515) 355-9937 a scam?
- Canadial rates it low risk, from 12 complaints, latest Jan 6, 2024, 0% robocalls.
- Is (515) 355-9937 a debt collector or collection agency?
- Nothing says it is: none of its 12 complaints describe debt collection.
- Should I call (515) 355-9937 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 (515) 355-9937 been reported?
- 12 complaints to the U.S. FTC's Do Not Call registry between Jan 5, 2024 and Jan 6, 2024.
- What do callers from (515) 355-9937 say?
- 12 of its 12 FTC complaints (100%) are about charity donations; across area code 515 that isn't one of the 8 commonest call types (each of those is at least 1% of its FTC complaints).
- When does (515) 355-9937 call?
- In FTC complaints, the most common time was the 9 a.m. hour (11 of 12 calls with a time); the most common day was Friday (11 of 12).
Data updated: FTC complaints through Nov 13, 2026; numbering records as of Nov 3, 2026; community reports live. How this page is built.