Who called you?
(707) 408-6923
(707) 408-6923 is a landline / voip number from Kenwood, CA on a prefix assigned to Onvoy (Sinch). Consumers have filed 2 complaints about it: 2 with the FTC's Do Not Call Registry, most recently on 2026-09-01.
Reported this month — 2 FTC complaints in the last 30 days, most recently 6 days ago, for debt-relief calls.
Who called me from (707) 408-6923?
Carrier & location
- Type
- Landline / VoIP
- Assigned carrier
- Onvoy (Sinch)
- Rate center
- Kenwood, CA
- Prefix 707-408
- assigned 2008-02-15, pooled block
- Area code
- 707 — California
- 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.
Complaint history
- FTC Do Not Call reports
- 22026-09-01
- Community reports
- 0
FTC Do Not Call complaints (unverified consumer reports).
Did this number call you? What was it?
What (707) 408-6923 was reported for
2 consumers reported this number to the FTC's National Do Not Call Registry on 2026-09-01. Source: FTC Do Not Call complaints (unverified consumer reports).
Reported this month — 2 FTC complaints in the last 30 days, most recently 6 days ago, for debt-relief calls.
Reported for
The subject each consumer chose when filing. “Impostor” means the caller claimed to be a government agency, a business, or a relative.
- Debt reduction1 (50%)
- Dropped call / no message1 (50%)
Where it was reported
The state the consumer filed from — where the call landed, not where it originated.
- OK2 (100%)
Recent FTC reports naming (707) 408-6923
The most recent Do Not Call complaints, as filed: the date the consumer reported it, when they said the call happened, what it was about, and the city and state they filed from.
Reported in the last 7 days in area code 707 (California)
Other 707 numbers consumers reported to the FTC this week — useful when a campaign is rotating through an area code.
- (707) 669-93713 this week · Debt reduction
- (707) 347-82152 this week · Impostor (government, business, family)
- (707) 818-27092 this week · Energy, solar & utilities
- (707) 604-18252 this week · Debt reduction
- (707) 986-65582 this week · Debt reduction
- (707) 244-09081 this week · No subject given
- (707) 308-18131 this week · No subject given
- (707) 317-18341 this week · Impostor (government, business, family)
- (707) 336-37421 this week · No subject given
- (707) 358-89051 this week · No subject given
Source: FTC Do Not Call Reported Calls data, published every weekday. These are unverified consumer reports — they record what someone said about a call, not a finding against the number's owner. Caller ID is routinely spoofed, so a report can describe a call that only displayed this number. No reporter is identified beyond city and state.
Is (707) 408-6923 a scam? Community reports
No community reports for (707) 408-6923 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 (707) 408
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 (707) 408-6923
Who called me from (707) 408-6923?
(707) 408-6923 is a landline / voip number on a prefix assigned to Onvoy (Sinch), based in Kenwood, CA. Consumers have filed 2 complaints about it — 2 with the FTC's Do Not Call Registry, most often describing debt-relief calls.
Is (707) 408-6923 a scam or robocall?
2 consumers reported (707) 408-6923 to the FTC. The most common subject was debt-relief. 2 of the reports were filed in the last 30 days, so the campaign is current. Complaints are a strong signal, not proof — never share personal or payment information with an unsolicited caller.
Should I call (707) 408-6923 back?
Reports about this number are current — the most recent FTC complaint was filed 2026-09-01 — 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.
WhoCalledLookup is not a consumer reporting agency (FCRA). Community reports are user opinions, not statements of fact by this site; FTC and FCC complaints are unverified consumer submissions. Own this number? Dispute a listing.