(650) 763-3510
(650) 763-3510 is likely a robocall: 11 FTC complaints, 91% recorded messages.
- No new complaints since Feb 14, 2024 (FTC data through Nov 13, 2026).
- More FTC complaints than 99% of the 20,239 numbers with FTC complaints in area code 650.
- No number in the 650-763 block has more complaints; 22 numbers there have FTC complaints.
Complaint history
11 FTC complaints between Feb 12, 2024 and Feb 14, 2024.
All 11 FTC complaints are about calls in Feb 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
Complaint categories chosen by FTC complainants:
- Not specified / other 11 · 100%
Who called
The number's block is assigned to Level 3 Communications, LLC.
Is it a debt collector?
Nothing says it is: none of its 11 complaints describe debt collection.
Nearby numbers in 650-763
The closest reported numbers on either side of (650) 763-3510, in number order.
All reported numbers in 650-763 →When the calls came
Time of day of 11 calls:
Day of the week of 11 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)
- SSNFRNCSCO, CA, USA
- Block assigned to
- Level 3 Communications, 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.
11 of 11 complainants (100%) have area code 650, the number's own. Scam callers often show a local-looking number (“neighbour spoofing”); a local business calling nearby customers looks the same.
All 11 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 11 · 100%
Complainants' cities:
Los Altos, CA (11)
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 (650) 763-3510
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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) 763-3510
- Who called me from (650) 763-3510?
- No complaint names the caller. The number is in a block assigned to Level 3 Communications, LLC (rate centre SSNFRNCSCO, CA) (NANPA, Nov 3, 2026); numbers can move between carriers, so the caller's provider may differ.
- Is (650) 763-3510 a scam?
- Canadial rates it medium risk, from 11 complaints, latest Feb 14, 2024, 91% robocalls.
- Is (650) 763-3510 a debt collector or collection agency?
- Nothing says it is: none of its 11 complaints describe debt collection.
- Should I call (650) 763-3510 back?
- No. Calling back can confirm that your line is answered. If the caller claimed to be a company or agency you deal with, contact it on a number you find yourself.
- How many times has (650) 763-3510 been reported?
- 11 complaints to the U.S. FTC's Do Not Call registry between Feb 12, 2024 and Feb 14, 2024.
Data updated: FTC complaints through Nov 13, 2026; numbering records as of Nov 3, 2026; community reports live. How this page is built.