WhoCalledLookupUS
US

Who called you?

(510) 831-0012

(510) 831-0012 is a landline / voip number from Richmond, CA on a prefix assigned to Bandwidth.com. Consumers have filed 2 complaints about it: 2 with the FTC's Do Not Call Registry, most recently on 2026-09-11.

Reported this month — 2 FTC complaints in the last 30 days, most recently 5 days ago, for unwanted calls.

No negative reports yet2 FTC reports this week

Who called me from (510) 831-0012?

Carrier & location

Type
Landline / VoIP
Assigned carrier
Bandwidth.com
Rate center
Richmond, CA
Prefix 510-831
assigned 2020-12-11, pooled block
Area code
510 — 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

2
Reports
2
Last 30 days
50%
Robocall
FTC Do Not Call reports
22026-09-10 → 2026-09-11
Community reports
0

FTC Do Not Call complaints (unverified consumer reports). Complaints run from 2026-09-10 to 2026-09-11.

Did this number call you? What was it?

What (510) 831-0012 was reported for

2 consumers reported this number to the FTC's National Do Not Call Registry between 2026-09-10 and 2026-09-11. Source: FTC Do Not Call complaints (unverified consumer reports).

Reported this month50% said it was a robocall

Reported this month — 2 FTC complaints in the last 30 days, most recently 5 days ago, for unwanted calls.

FTC reports
2
Last 30 days
2
Last 7 days
2
First report
2026-09-10
Last report
2026-09-11
States
2

Reported for

The subject each consumer chose when filing. “Impostor” means the caller claimed to be a government agency, a business, or a relative.

  • Other / unspecified
    1 (50%)
  • No subject given
    1 (50%)

1 of 2 consumers who answered the question said the call was a recorded message or robocall. Prerecorded sales calls to a cell phone require prior express written consent under the TCPA.

Where it was reported

The state the consumer filed from — where the call landed, not where it originated.

Recent FTC reports naming (510) 831-0012

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.

ReportedSubjectFrom
2026-09-11Other / unspecifiedTN
2026-09-10No subject givenCA

Reported in the last 7 days in area code 510 (California)

Other 510 numbers consumers reported to the FTC this week — useful when a campaign is rotating through an area code.

All reported 510 numbers →

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 (510) 831-0012 a scam? Community reports

No community reports for (510) 831-0012 yet. If this number called you, you're likely the first — leave a report below and help the next person who searches it.

Got a call from (510) 831-0012? Report it

Describe the call — who they claimed to be, what they wanted. Don't include anyone's personal information.

Reports are moderated before publication. No personal info, no profanity.

Other reported numbers starting (510) 831

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 (510) 831-0012

Who called me from (510) 831-0012?

(510) 831-0012 is a landline / voip number on a prefix assigned to Bandwidth.com, based in Richmond, CA. Consumers have filed 2 complaints about it — 2 with the FTC's Do Not Call Registry.

Is (510) 831-0012 a scam or robocall?

2 consumers reported (510) 831-0012 to the FTC, and 50% of those who answered the question said it was a recorded message or robocall. 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 (510) 831-0012 back?

Reports about this number are current — the most recent FTC complaint was filed 2026-09-11 — 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 was (510) 831-0012 reported?

Consumers in 2 states reported this number to the FTC, most often from CA, TN. The FTC records the state the consumer 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; FTC and FCC complaints are unverified consumer submissions. Own this number? Dispute a listing.