Who called you?
(650) 203-0000
(650) 203-0000 is a landline / voip number from Mountain View, CA on a prefix assigned to BANDWIDTH.COM CLEC, LLC - CA. The FCC has 22 unwanted-call complaints on record for this number, most recently 2026-08-12.
Who called me from (650) 203-0000?
Carrier & location
- Type
- Landline / VoIP
- Assigned carrier
- BANDWIDTH.COM CLEC, LLC - CA
- Rate center
- Mountain View, CA
- Area code
- 650 — CA
- Time zone
- P
This prefix is assigned to a wireline or VoIP operator. VoIP lines are cheap to obtain in bulk, which makes them a common vehicle for spam and scam calling campaigns. Carrier assignment shows who the prefix was allocated to; numbers can be ported, and caller ID can be spoofed.
FCC complaint history
Consumers filed 22 unwanted-call complaints naming (650) 203-0000 with the FCC, most recently on 2026-08-12, from 12 states (CA, CO, FL, GA, KY, MD). Source: FCC Consumer Complaint Data, public record.
Did this number call you? What was it?
Complaint pattern for (650) 203-0000
What the 22 public FCC complaints naming this number show about when the calls happened, where they landed and how they were placed. Derived from the FCC Consumer Complaint Data Center, a public record.
Complaints per month. Peak month: 2025-07 (5).
Complaints span 5.5 years, from 2021-02-02 to 2026-08-12, with activity recorded in 11 separate months.
Where the complaints came from
and 7 more states.
Complaints came from 15 different states, which is the footprint of an automated campaign dialling nationally rather than a local business.
How the calls were placed
- Prerecorded Voice
- 17
- Live Voice
- 5
- Wireless (cell phone)
- 16
- Wired
- 5
- Internet (VOIP)
- 1
Prerecorded Voice: A recorded message rather than a person. Prerecorded marketing calls to a mobile require prior express written consent under the TCPA.
Prefix and area context
10 other numbers on the (650) 203 block have complaints too — 32 across the block in total. 2 of them were complained about during the same period as this number, which is what a campaign rotating through a block of consecutive numbers looks like from the outside.
Within area code 650 (CA), this is the 6th most-complained-about number of the 2,660 that have any complaint on record.
Source: FCC Consumer Complaint Data Center. Complaints are unverified consumer submissions: they record what someone reported, not a finding against the caller. Numbers can be spoofed, so a complaint may describe a call that only displayed this number.
FCC complaint log for (650) 203-0000
The most recent unwanted-call complaints US consumers filed with the FCC naming this number — type of issue, contact method, and the state the complaint came from. Public record, imported nightly.
| Date | Call type | Method | State |
|---|---|---|---|
| 2026-08-12 | Prerecorded Voice | Wireless (cell phone/other mobile device | NY |
| 2026-06-29 | Prerecorded Voice | Wireless (cell phone/other mobile device | CA |
| 2026-06-24 | Prerecorded Voice | Wireless (cell phone/other mobile device | CA |
| 2026-06-21 | Prerecorded Voice | Wireless (cell phone/other mobile device | MD |
| 2026-06-01 | Prerecorded Voice | Wireless (cell phone/other mobile device | MO |
| 2026-05-08 | Live Voice | Wireless (cell phone/other mobile device | NM |
| 2026-04-09 | Prerecorded Voice | Wired | TN |
| 2026-04-05 | Prerecorded Voice | Wireless (cell phone/other mobile device | GA |
| 2026-04-04 | Prerecorded Voice | Wireless (cell phone/other mobile device | GA |
| 2026-02-06 | Live Voice | Wireless (cell phone/other mobile device | TX |
Is (650) 203-0000 a scam? Community reports
No community reports for (650) 203-0000 yet. If this number called you, you're likely the first — leave a report below and help the next person who searches it.
Other reported numbers starting (650) 203
Robocall campaigns often rotate through a block of numbers on the same prefix — if several neighbors have complaints too, that's campaign behavior.
What to do next
Block it on Android or iPhone, turn on your carrier's free filtering, and report the call to the FCC and FTC — those complaints are the public record this page is built from.
Related
FAQs about (650) 203-0000
Who called me from (650) 203-0000?
(650) 203-0000 is a landline / voip number on a prefix assigned to BANDWIDTH.COM CLEC, LLC - CA, based in Mountain View, CA. The FCC has logged 22 unwanted-call complaints against this number. Check the community reports on this page for first-hand accounts of what the call was about.
Is (650) 203-0000 a scam or robocall?
The FCC's public complaint data contains 22 complaints about unwanted calls from (650) 203-0000, including 17 categorized as robocalls. That is a strong signal, but not proof — read the community reports and never share personal or payment information with an unsolicited caller.
Should I call (650) 203-0000 back?
Complaints about this number are current — the most recent was filed 18 days ago — so calling back is not advisable. As a general rule, only return a call you were expecting: a caller with legitimate business will leave a voicemail.
Where were the complaints about (650) 203-0000 filed?
Consumers in 15 states filed complaints about this number, which is the geographic spread of an automated campaign dialling nationally. The FCC records the state the complainant filed from, not where the call originated — caller ID can be spoofed to display any number.
WhoCalledLookup is not a consumer reporting agency (FCRA). Community reports are user opinions, not statements of fact by this site. Own this number? Dispute a listing.