(650) 503-4700
(650) 503-4700 is likely a robocall: 21 FTC complaints and 5 FCC complaints, recorded messages in 95% of the FTC complaints, most often about debt relief (29%).
- No FTC complaints dated in the 30 days to Nov 13, 2026, 2 in the 90 days before.
- More FTC complaints than 99% of the 20,239 numbers with FTC complaints in area code 650.
- No number in the 650-503 block has more complaints; 34 numbers there have FTC complaints.
Complaint history
21 FTC complaints between Jul 13, 2022 and Aug 18, 2026.
The FTC complaints came in 11 of the 50 months from Jul 2022 to Aug 2026; the busiest was Jan 2025, with 5 of 21.
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.
Complaints to the FCC
5 complaints to the U.S. Federal Communications Commission between Jan 20, 2021 and Oct 1, 2026; 3 gave it as the number to call back rather than the caller ID.
Of the 5 complainants, 2 heard a live person, 2 heard a recorded message and 1 got a text message. They filed them as unwanted calls (5). The calls were about debt relief/debt consolidation (1) and health insurance (1). Complainants were in New York (2), Virginia (2) and Indiana (1).
Source: FCC Consumer Help Center, Consumer Complaints Data (public domain), complaints about unwanted calls, telemarketing and robocalls. The FCC doesn't verify the facts alleged in complaints, and neither do we.
What callers claimed
6 of its 21 FTC complaints (29%) are about debt relief, against 10% of the 26,373 FTC complaints about all numbers in area code 650.
Complaint categories chosen by FTC complainants:
- Not specified / other 8 · 38%
- Reducing your debt (credit cards, mortgage, student loans) 6 · 29%
- Dropped call or no message 3 · 14%
- Calls pretending to be government, businesses, or family and friends 2 · 10%
- Medical & prescriptions 1 · 5%
Show 1 more categories Show fewer
- Warranties & protection plans 1 · 5%
Who called
The number's block is assigned to Bandwidth.com CLEC, LLC.
Is it a debt collector?
Nothing says it is: none of its 26 complaints describe debt collection; 6 (29% of FTC complaints) are about debt relief, which means offers to reduce credit card, loan or other debt. That's a sales pitch, not a collector asking you to pay a debt you owe.
Nearby numbers in 650-503
The closest reported numbers on either side of (650) 503-4700, in number order.
All reported numbers in 650-503 →When the calls came
Time of day of 19 calls; most often the 10 a.m. hour (5):
Day of the week of 21 calls; most often Wednesday (6):
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)
- REDWOOD CY, CA, USA
- Block assigned to
- Bandwidth.com CLEC, 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.
1 of 21 complainants has area code 650, the number's own. The calls reached people elsewhere, so this isn't a local caller to them.
Most FTC complainants were in Pennsylvania (6 of 21); others in California (3), Indiana (2) and Arizona (1) and more. Statewide, Pennsylvania ranks #16 of the 50 states and DC for Do Not Call complaints per resident: 108,035 in the last 12 months, 827.3 per 100,000 people. Spam calls in Pennsylvania.
Where FTC complainants were located (U.S. states):
- Pennsylvania 6 · 29%
- California 3 · 14%
- Indiana 2 · 10%
Show 3 more states Show fewer
- Arizona 1 · 5%
- Colorado 1 · 5%
- Massachusetts 1 · 5%
Complainants' cities (most common):
Bloomington, IN (2) · American Fork, UT (1) · Austin, TX (1) · Azusa, CA (1) · Chandler, AZ (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 (650) 503-4700
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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) 503-4700
- Who called me from (650) 503-4700?
- No complaint names the caller; FTC complainants most often said the calls were about debt relief. The number is in a block assigned to Bandwidth.com CLEC, LLC (rate centre REDWOOD CY, CA) (NANPA, Nov 3, 2026); numbers can move between carriers, so the caller's provider may differ.
- Is (650) 503-4700 a scam?
- Canadial rates it high risk, from 26 complaints, latest Oct 1, 2026, robocalls in 95% of the FTC complaints.
- Is (650) 503-4700 a debt collector or collection agency?
- Nothing says it is: none of its 26 complaints describe debt collection; 6 (29% of FTC complaints) are about debt relief, which means offers to reduce credit card, loan or other debt. That's a sales pitch, not a collector asking you to pay a debt you owe.
- Should I call (650) 503-4700 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) 503-4700 been reported?
- 21 complaints to the U.S. FTC's Do Not Call registry between Jul 13, 2022 and Aug 18, 2026 and 5 complaints to the U.S. FCC between Jan 20, 2021 and Oct 1, 2026.
- What do callers from (650) 503-4700 say?
- 6 of its 21 FTC complaints (29%) are about debt relief, against 10% of the 26,373 FTC complaints about all numbers in area code 650.
- When does (650) 503-4700 call?
- In FTC complaints, the most common time was the 10 a.m. hour (5 of 19 calls with a time); the most common day was Wednesday (6 of 21).
Data updated: FTC complaints through Nov 13, 2026; FCC complaints refreshed daily; numbering records as of Nov 3, 2026; community reports live. How this page is built.