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Area code 510 · California

(510) 291-3483

510-291-3483 · 5102913483 · Moderate complaint volume

Consumers have filed 3 complaints about calls from (510) 291-3483 with the Federal Trade Commission and the Federal Communications Commission, between Oct 15, 2026 and Oct 15, 2026. Most reports do not name a specific topic, and 100% of callers used a recorded message. All complaints with a location came from California.

3Total complaintsFTC 3 · FCC 0
3Last 30 daysLast 7 days: 3
100%Recorded messageof 3 reports that said
1States reportingMost: California

Complaint activity for (510) 291-3483

Complaints per day about (510) 291-3483, Oct 15, 2026 to Oct 21, 202623Oct 15, 2026: 3Oct 15Oct 16, 2026: 0Oct 17, 2026: 0Oct 18, 2026: 0Oct 19, 2026: 0Oct 20, 2026: 0Oct 21, 2026: 0
Complaints per day about (510) 291-3483, Oct 15, 2026 to Oct 21, 2026

What callers from this number were about

  • Not specified3 (100%)

If you do not recognize a caller, let the call go to voicemail. Legitimate callers usually leave a message, and you can call them back using a number you have verified yourself.

Where the complaints came from

Latest complaints

Date filedConsumer locationTopicTypeSource
Oct 15, 2026CANot specifiedRecorded messageFTC
Oct 15, 2026CANot specifiedRecorded messageFTC
Oct 15, 2026CANot specifiedRecorded messageFTC

Number details

Formats
(510) 291-3483 · 510-291-3483 · +1 510-291-3483 · 5102913483
Area code
510 · California
Rate center
Okld Mn-pd, CA
Originally assigned to
Onvoy, LLC - CA (prefix 510-291, since 2026)
First and last complaint
Oct 15, 2026 – Oct 15, 2026

The carrier shown is the company the prefix was first assigned to by the numbering administrator. Numbers are often ported to other carriers, and caller ID can be faked, so the real caller may be unrelated to this carrier or to the person who owns this number.

How to report an unwanted call

  • Federal Trade Commission. Report telemarketing and robocalls at donotcall.gov or by calling 1-888-382-1222. These are the reports that feed most of this site.
  • Federal Communications Commission. File an unwanted call or text complaint at consumercomplaints.fcc.gov.
  • Your phone carrier. Most carriers offer free spam labeling and call blocking, and some let you forward spam texts to 7726 (SPAM).
  • Your state attorney general. Most states have a consumer protection office that takes complaints about telemarketing and scams.

Other reported numbers in area code 510

Phone numberComplaintsTopicLast reported
(510) 254-31563Impostor callsOct 20, 2026
(510) 509-98162OtherOct 14, 2026
(510) 312-47903Not specifiedOct 9, 2026
(510) 851-95565Dropped call or no messageOct 8, 2026
(510) 846-26383OtherSep 19, 2026
(510) 487-51053Impostor callsSep 11, 2026
(510) 736-00013OtherSep 10, 2026
(510) 291-70053Not specifiedJun 16, 2026

See all reported numbers in area code 510 →

Is this your number?

If you own (510) 291-3483 and believe it is being spoofed, tell your carrier and keep records of the complaints you receive. You can also contact us through the site to add context to this page.