(657) 204-4390
(657) 204-4390 is likely an unwanted sales call: 7 FTC complaints, 0% recorded messages.
- No new complaints since Nov 24, 2022 (FTC data through Nov 13, 2026).
- More FTC complaints than 99% of the 12,614 numbers with FTC complaints in area code 657.
- No number in the 657-204 block has more complaints; 31 numbers there have FTC complaints.
Complaint history
7 FTC complaints between Sep 20, 2022 and Nov 24, 2022.
The FTC complaints came in every month from Sep 2022 to Nov 2022; the busiest was Nov 2022, with 4 of 7.
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 7 · 100%
Who called
The number's block is assigned to Bandwidth.com CLEC, LLC.
Is it a debt collector?
Nothing says it is: none of its 7 complaints describe debt collection.
Nearby numbers in 657-204
The closest reported numbers on either side of (657) 204-4390, in number order.
All reported numbers in 657-204 →When the calls came
Time of day of 7 calls; most often the 8 a.m. hour (4):
Day of the week of 7 calls; most often Tuesday (5):
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)
- HUNTITNBCH, CA, USA
- Block assigned to
- Bandwidth.com CLEC, 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 7 complainants have area code 657, the number's own. The calls reached people elsewhere, so this isn't a local caller to them.
All 7 FTC complainants were in California. Statewide, California ranks #26 of the 50 states and DC for Do Not Call complaints per resident: 283,769 in the last 12 months, 721 per 100,000 people. Spam calls in California.
Where FTC complainants were located (U.S. states):
- California 7 · 100%
Complainants' cities:
Hayward, CA (3)
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 (657) 204-4390
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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 (657) 204-4390
- Who called me from (657) 204-4390?
- No complaint names the caller. The number is in a block assigned to Bandwidth.com CLEC, LLC (rate centre HUNTITNBCH, CA) (NANPA, Nov 3, 2026); numbers can move between carriers, so the caller's provider may differ.
- Is (657) 204-4390 a scam?
- Canadial rates it low risk, from 7 complaints, latest Nov 24, 2022, 0% robocalls.
- Is (657) 204-4390 a debt collector or collection agency?
- Nothing says it is: none of its 7 complaints describe debt collection.
- Should I call (657) 204-4390 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 (657) 204-4390 been reported?
- 7 complaints to the U.S. FTC's Do Not Call registry between Sep 20, 2022 and Nov 24, 2022.
- When does (657) 204-4390 call?
- In FTC complaints, the most common time was the 8 a.m. hour (4 of 7 calls with a time); the most common day was Tuesday (5 of 7).
Data updated: FTC complaints through Nov 13, 2026; numbering records as of Nov 3, 2026; community reports live. How this page is built.