(650) 584-5870
(650) 584-5870 is likely a scam: 5 FTC complaints, 0% recorded messages, mostly about impersonating a government agency, business or relative.
- No new complaints since Aug 15, 2022 (FTC data through Nov 13, 2026).
- More FTC complaints than 98% of the 20,239 numbers with FTC complaints in area code 650.
- No number in the 650-584 block has more complaints; 20 numbers there have FTC complaints.
Complaint history
5 FTC complaints between Jul 16, 2022 and Aug 15, 2022.
The FTC complaints came in every month from Jul 2022 to Aug 2022; the busiest was Aug 2022, with 3 of 5.
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
5 of its 5 FTC complaints (100%) are about impersonating a government agency, business or relative, against 14% of the 26,373 FTC complaints about all numbers in area code 650.
Complaint categories chosen by FTC complainants:
- Calls pretending to be government, businesses, or family and friends 5 · 100%
Who called
The number's block is assigned to Pacific Bell.
Is it a debt collector?
Nothing says it is: none of its 5 complaints describe debt collection.
Nearby numbers in 650-584
The closest reported numbers on either side of (650) 584-5870, in number order.
All reported numbers in 650-584 →When the calls came
Time of day of 5 calls:
Day of the week of 5 calls; most often Monday (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
- Rate centre (NANPA abbreviation)
- MT VIEW, CA, USA
- Block assigned to
- Pacific Bell
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.
5 of 5 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 5 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 5 · 100%
Complainants' cities:
South San Francisco, CA (5)
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 (650) 584-5870
- Who called me from (650) 584-5870?
- No complaint names the caller; FTC complainants most often said the calls were about impersonating a government agency, business or relative. The number is in a block assigned to Pacific Bell (rate centre MT VIEW, CA) (NANPA, Nov 3, 2026); numbers can move between carriers, so the caller's provider may differ.
- Is (650) 584-5870 a scam?
- Canadial rates it low risk, from 5 complaints, latest Aug 15, 2022, 0% robocalls.
- Is (650) 584-5870 a debt collector or collection agency?
- Nothing says it is: none of its 5 complaints describe debt collection.
- Should I call (650) 584-5870 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) 584-5870 been reported?
- 5 complaints to the U.S. FTC's Do Not Call registry between Jul 16, 2022 and Aug 15, 2022.
- What do callers from (650) 584-5870 say?
- 5 of its 5 FTC complaints (100%) are about impersonating a government agency, business or relative, against 14% of the 26,373 FTC complaints about all numbers in area code 650.
- When does (650) 584-5870 call?
- In FTC complaints, the most common day was Monday (2 of 5).
Data updated: FTC complaints through Nov 13, 2026; numbering records as of Nov 3, 2026; community reports live. How this page is built.