Who called you?
(510) 399-4442
(510) 399-4442 is a landline / voip number from Fremont-Newark: Main Da, CA on a prefix assigned to ONVOY, LLC - CA. The FCC has 12 unwanted-call complaints on record for this number, most recently 2018-05-14.
Who called me from (510) 399-4442?
Carrier & location
- Type
- Landline / VoIP
- Assigned carrier
- ONVOY, LLC - CA
- Rate center
- Fremont-Newark: Main Da, CA
- Area code
- 510 — 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 12 unwanted-call complaints naming (510) 399-4442 with the FCC, most recently on 2018-05-14. Source: FCC Consumer Complaint Data, public record.
Did this number call you? What was it?
Complaint pattern for (510) 399-4442
What the 12 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.
This number's complaint record is historic. Nothing has been filed against it since 2018-05-14, so if it called you today the complaints below describe a campaign that ended years ago — or the number has since been reassigned to a different subscriber. Numbers are routinely returned to the carrier and reissued. Treat this page as an archive record rather than a current warning.
Complaints per month. Peak month: 2018-05 (7).
All 12 complaints fall inside 19 days (2018-04-25 to 2018-05-14), which is the shape of one short campaign.
Where the complaints came from
- CA12
Every complaint came from a single state (CA), which is more consistent with a local or regional caller than a national campaign.
How the calls were placed
- Abandoned Calls
- 12
- Wireless (cell phone)
- 12
Abandoned Calls: The line was dialled and dropped before anyone spoke — the signature of a predictive dialler placing more calls than it has agents to answer. The FCC's telemarketing rules cap abandoned calls at 3% of answered calls.
Prefix and area context
10 other numbers on the (510) 399 block have complaints too — 22 across the block in total. 1 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 510 (CA), this is the 24th most-complained-about number of the 2,864 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 (510) 399-4442
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 |
|---|---|---|---|
| 2018-05-14 | Abandoned Calls | Wireless (cell phone/other mobile device | CA |
| 2018-05-13 | Abandoned Calls | Wireless (cell phone/other mobile device | CA |
| 2018-05-12 | Abandoned Calls | Wireless (cell phone/other mobile device | CA |
| 2018-05-05 | Abandoned Calls | Wireless (cell phone/other mobile device | CA |
| 2018-05-04 | Abandoned Calls | Wireless (cell phone/other mobile device | CA |
| 2018-05-03 | Abandoned Calls | Wireless (cell phone/other mobile device | CA |
| 2018-05-01 | Abandoned Calls | Wireless (cell phone/other mobile device | CA |
| 2018-04-30 | Abandoned Calls | Wireless (cell phone/other mobile device | CA |
| 2018-04-28 | Abandoned Calls | Wireless (cell phone/other mobile device | CA |
| 2018-04-27 | Abandoned Calls | Wireless (cell phone/other mobile device | CA |
Is (510) 399-4442 a scam? Community reports
No community reports for (510) 399-4442 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 (510) 399
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) 399-4442
Who called me from (510) 399-4442?
(510) 399-4442 is a landline / voip number on a prefix assigned to ONVOY, LLC - CA, based in Fremont-Newark: Main Da, CA. The FCC has logged 12 unwanted-call complaints against this number. Check the community reports on this page for first-hand accounts of what the call was about.
Is (510) 399-4442 a scam or robocall?
The FCC's public complaint data contains 12 complaints about unwanted calls from (510) 399-4442. 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 (510) 399-4442 back?
The complaint record for this number stops in 2018, so it is not part of a campaign anyone is currently reporting. The number may since have been reassigned to an ordinary subscriber. 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. Own this number? Dispute a listing.