A consumer in Granger, IN told the FCC about a call from a live person from this number on Sep 30, 2026.
The subject they gave: Health insurance.
Landline · Redwood City, CA
(650) 503-4700Who called from 650-503-4700?
Caution
650-503-4700 has 3 complaints filed with the FTC and FCC since Jul 2023, the latest . 33% describe a robocall or recorded message. The most common subject: Health insurance. People in 3 states complained, no more than one from any state. The number's exchange (650-503) was assigned to Tpx Communications in Redwood City, CA (landline), though numbers can be ported or spoofed.
67ShadyCall
Score
Score
- Reports
- 0
- FTC/FCC complaints
- 3
- Lookups
- 1
- Last seen
No ShadyCall reports about 650-503-4700 yet
1 person has looked this number up, but nobody has written a report yet.
If 650-503-4700 called or texted you, add a report below. Even "silent call, no message" helps the next person decide whether to answer.
3 complaints to the FTC and FCC about 650-503-4700
Consumers filed these complaints with the Federal Trade Commission (Do Not Call Registry) and the Federal Communications Commission, which publish them as open data. They are what people told the government, not verified findings, and the number on a complaint is the caller ID people saw, which can be spoofed.
FTC complaints0
FCC complaints3
Robocalls33%
First / lastJul 17, 2023
Oct 1, 2026
Oct 1, 2026
Complaints by month
Dec 2025Nov 2026
What it was about
How it came
Where the people complaining live
Latest complaints
A consumer in Crimora, VA told the FCC about a robocall from this number on Sep 13, 2026.
The subject they gave: Debt relief / consolidation.
A consumer in Brooklyn, NY told the FCC about a text from this number on Jul 16, 2023.
What to do if 650-503-4700 calls
- Don't answer, or hang up. Don't press any keys, don't say "yes", and never read out a code sent to your phone.
- Don't call back. Calling back confirms your number is live, and it gets sold on.
- Never tap a link in a text from this number. Forward the text to 7726 (SPAM), then delete it.
- Block it. Here is how to block a number on iPhone, Android and landlines.
- Report it to the FTC at ReportFraud.ftc.gov (or donotcall.gov for sales calls), and here on ShadyCall so others are warned.
- Lost money or gave out details? Call your bank or card issuer now, then go to IdentityTheft.gov. What to do if you've been scammed.
Questions about 650-503-4700
Who called me from 650-503-4700?
We don't have a name. Consumers filed 3 complaints about 650-503-4700 with the FTC and FCC, most often about Health insurance, typically health insurance / Medicare. If you find out who it was, add a report on this page.
Is 650-503-4700 a scam?
Its ShadyCall Score is 67/100 (caution), from 3 FTC/FCC complaints. Reports and complaints are people's own experiences, not verified facts, and scammers can fake a caller ID.
Where is 650-503-4700 from?
650-503-4700 belongs to the 650-503 exchange in the 650 area code, assigned to Redwood City, CA. The caller may not really be there: numbers move with their owners and caller ID can be spoofed.
What carrier is 650-503-4700?
The 650-503 exchange was assigned to Tpx Communications, a landline carrier, according to NANPA. The number may have been ported to another carrier since.
How do I block 650-503-4700?
On an iPhone open Recents, tap the info button next to the number and choose Block Caller. On Android open the Phone app, tap the number in your call history and choose Block (or Block / report spam). Full instructions for every phone and landline.
How do I report 650-503-4700?
Use the form on this page. It's free, anonymous and takes 30 seconds. Also report unwanted sales calls at donotcall.gov and scams at ReportFraud.ftc.gov, and forward spam texts to 7726. If you lost money or shared bank details, call your bank straight away.