Who called you?
(443) 399-9139
(443) 399-9139 is a landline / voip number from Dundalk, MD on a prefix assigned to Onvoy (Sinch). Consumers have filed 4 complaints about it with the FCC, most recently on 2016-05-12.
Who called me from (443) 399-9139?
Carrier & location
- Type
- Landline / VoIP
- Assigned carrier
- Onvoy (Sinch)
- Rate center
- Dundalk, MD
- Prefix 443-399
- pooled block
- Area code
- 443 — Maryland
- Time zone
- E
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
- FCC complaints
- 42015-07-06 → 2016-05-12
- Community reports
- 0
FCC Consumer Complaint Data, public record. Complaints run from 2015-07-06 to 2016-05-12.
Did this number call you? What was it?
Complaint pattern for (443) 399-9139
What the 4 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 2016-05-12, 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.
FCC complaints per month. Peak month: 2015-07 (1).
Complaints span 10 months, from 2015-07-06 to 2016-05-12, with activity recorded in 4 separate months.
Where the complaints came from
Complaints came from 3 states, concentrated in CA (2), MI (1), FL (1).
How the calls were placed
- Abandoned Calls
- 3
- Live Voice
- 1
- Wireless (cell phone)
- 4
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
8 other numbers on the (443) 399 block have complaints too — 13 across the block in total. 3 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 443 (Maryland), this is the 81st most-complained-about number of the 3,040 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 (443) 399-9139
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 |
|---|---|---|---|
| 2016-05-12 | Abandoned Calls · Robocalls | Wireless (cell phone/other mobile device | CA |
| 2016-03-26 | Abandoned Calls · Telemarketing (including do not call and spoofing) | Wireless (cell phone/other mobile device | CA |
| 2016-02-18 | Abandoned Calls · Telemarketing (including do not call and spoofing) | Wireless (cell phone/other mobile device | MI |
| 2015-07-06 | Live Voice · Telemarketing (including do not call and spoofing) | Wireless (cell phone/other mobile device | FL |
Reported in the last 7 days in area code 443 (Maryland)
Numbers in this area code that consumers reported to the FTC's Do Not Call Registry this week.
- (443) 586-85832 this week · No subject given
- (443) 239-81401 this week · Warranties & protection plans
- (443) 252-24371 this week · No subject given
- (443) 296-54321 this week · Dropped call / no message
- (443) 302-12111 this week · No subject given
- (443) 348-98821 this week · Energy, solar & utilities
- (443) 352-19661 this week · Debt reduction
- (443) 429-88751 this week · No subject given
- (443) 446-35331 this week · No subject given
- (443) 456-50041 this week · Dropped call / no message
Is (443) 399-9139 a scam? Community reports
No community reports for (443) 399-9139 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 (443) 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 (443) 399-9139
Who called me from (443) 399-9139?
(443) 399-9139 is a landline / voip number on a prefix assigned to Onvoy (Sinch), based in Dundalk, MD. Consumers have filed 4 complaints about it with the FCC.
Is (443) 399-9139 a scam or robocall?
The FCC's public complaint data contains 4 complaints about unwanted calls from (443) 399-9139, including 1 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 (443) 399-9139 back?
The complaint record for this number stops in 2016, 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.
Where were the complaints about (443) 399-9139 filed?
Consumers in 3 states filed complaints about this number, most often from CA, MI, FL. 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; FTC and FCC complaints are unverified consumer submissions. Own this number? Dispute a listing.