(415) 400-4520
(415) 400-4520 has 1 FTC complaint.
Most common complaint: medical and prescription offers (100% of FTC complaints).
- No new complaints since Nov 14, 2023 (FTC data through Nov 13, 2026).
- Only 2 numbers in the 415-400 block have more complaints, of 24 there with FTC complaints.
Complaint history
1 FTC complaint on Nov 14, 2023.
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:
- Medical & prescriptions 1 · 100%
Who called
The number's block is assigned to Comcast Phone of California, LLC.
Is it a debt collector?
Nothing says it is: its one complaint doesn't describe debt collection.
Part of a group of similar numbers
(415) 400-4520 is one of 21 numbers in area code 415 first reported to the FTC for “Medical & prescriptions” calls between Nov 14, 2023 and Nov 16, 2023, against about 3 in a usual three days, 21 complaints in all; most from California (95%), Tennessee (5%).
So many numbers from one area code first reported for the same thing within three days are rarely chance; they usually mean one operation cycling through numbers. How groups are found.
Nearby numbers in 415-400
24 numbers in 415-400 have 33 FTC complaints between them (73% robocalls), 1 of them about (415) 400-4520. The commonest categories in the block: Calls pretending to be government, businesses, or family and friends (30%), Dropped call or no message (18%), Medical & prescriptions (6%).
The closest reported numbers on either side of (415) 400-4520, in number order.
All reported numbers in 415-400 →Location
- Rate centre (NANPA abbreviation)
- SNFC CNTRL, CA, USA
- Block assigned to
- Comcast Phone of California, 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 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 1 · 100%
Complainants' cities:
Lagunitas-Forest Knolls, CA (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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Report (415) 400-4520
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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 (415) 400-4520
- Who called me from (415) 400-4520?
- No complaint names the caller. The number is in a block assigned to Comcast Phone of California, LLC (rate centre SNFC CNTRL, CA) (NANPA, Nov 3, 2026); numbers can move between carriers, so the caller's provider may differ. It's one of 21 numbers in area code 415 first reported for the same kind of call within three days, many times the usual number, likely one operation.
- Is (415) 400-4520 a scam?
- Canadial rates it low risk, from 1 complaint, latest Nov 14, 2023.
- Is (415) 400-4520 a debt collector or collection agency?
- Nothing says it is: its one complaint doesn't describe debt collection.
- Should I call (415) 400-4520 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 (415) 400-4520 been reported?
- 1 complaint to the U.S. FTC's Do Not Call registry on Nov 14, 2023.
- What do callers from (415) 400-4520 say?
- The most common complaint category is "Medical & prescriptions" (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.