(650) 407-2399
Palo Alto, CA
(650) 407-2399 has 1 FTC complaint.
Most common complaint: energy, solar and utilities (100% of FTC complaints).
- No new complaints since Jun 17, 2025 (FTC data through Nov 13, 2026).
Complaint history
1 FTC complaint on Jun 17, 2025.
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:
- Energy, solar & utilities 1 · 100%
Who called
The number's block is assigned to Onvoy, LLC in Palo Alto, CA.
Is it a debt collector?
Nothing says it is: its one complaint doesn't describe debt collection.
Part of a group of similar numbers
(650) 407-2399 is one of 6 numbers in 650-407 first reported to the FTC for “Energy, solar & utilities” calls between Jun 13, 2025 and Jun 20, 2025, 11 complaints in all; most from Ohio (55%), Massachusetts (27%), Pennsylvania (18%).
Numbers from one block reported for the same thing within days of each other are rarely chance; they usually mean one operation cycling through numbers. How groups are found.
Nearby numbers in 650-407
47 numbers in 650-407 have 66 FTC complaints between them (48% robocalls), 1 of them about (650) 407-2399. The commonest categories in the block: Energy, solar & utilities (15%), Dropped call or no message (11%).
The closest reported numbers on either side of (650) 407-2399, in number order.
Location
- Location of the number block
- Palo Alto, CA, 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.
The one FTC complainant was in Massachusetts. Statewide, Massachusetts ranks #29 of the 50 states and DC for Do Not Call complaints per resident: 49,266 in the last 12 months, 688.6 per 100,000 people. Spam calls in Massachusetts.
Where FTC complainants were located (U.S. states):
- Massachusetts 1 · 100%
Complainants' cities:
Hopedale, 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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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 (650) 407-2399
- Who called me from (650) 407-2399?
- No complaint names the caller. The number is in a block assigned to Onvoy, LLC in Palo Alto, CA (NANPA, Nov 3, 2026); numbers can move between carriers, so the caller's provider may differ. It's one of 6 numbers in the same block first reported for the same kind of call within days of each other, likely one operation.
- Is (650) 407-2399 a scam?
- Canadial rates it low risk, from 1 complaint, latest Jun 17, 2025.
- Is (650) 407-2399 a debt collector or collection agency?
- Nothing says it is: its one complaint doesn't describe debt collection.
- Should I call (650) 407-2399 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 (650) 407-2399 been reported?
- 1 complaint to the U.S. FTC's Do Not Call registry on Jun 17, 2025.
- What do callers from (650) 407-2399 say?
- The most common complaint category is "Energy, solar & utilities" (100% of FTC complaints).
Data updated: FTC complaints through Nov 13, 2026; numbering records as of Nov 3, 2026; community reports live. How this page is built.