Who called you?
(339) 210-5491
(339) 210-5491 is a landline / voip number from Saugus, MA on a prefix assigned to Onvoy (Sinch). Consumers have filed 30 complaints about it: 1 with the FTC's Do Not Call Registry and 29 with the FCC, most recently on 2026-09-10.
Reported within the last year — last FTC complaint 2026-09-10, for medical and prescription calls. Nothing in the last 30 days.
Who called me from (339) 210-5491?
Carrier & location
- Type
- Landline / VoIP
- Assigned carrier
- Onvoy (Sinch)
- Rate center
- Saugus, MA
- Prefix 339-210
- assigned 2016-03-03, pooled block
- Area code
- 339 — Massachusetts
- 339 covers
- Lynn, Bryantville and Weymouth
- Local time there
- —Eastern
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
- 12026-09-10
- FCC complaints
- 292024-01-05 → 2024-02-28
- Community reports
- 0
FTC Do Not Call complaints (unverified consumer reports); FCC Consumer Complaint Data, public record. Complaints run from 2024-01-05 to 2026-09-10.
Did this number call you? What was it?
What (339) 210-5491 was reported for
1 consumer reported this number to the FTC's National Do Not Call Registry on 2026-09-10. Source: FTC Do Not Call complaints (unverified consumer reports).
Reported within the last year — last FTC complaint 2026-09-10, for medical and prescription calls. Nothing in the last 30 days.
Reported for
The subject each consumer chose when filing. “Impostor” means the caller claimed to be a government agency, a business, or a relative.
- Medical & prescriptions1 (100%)
0 of 1 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.
- IL1 (100%)
Most often from Springfield, IL.
Recent FTC reports naming (339) 210-5491
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 | Call time | Subject | Robocall | From |
|---|---|---|---|---|
| 2026-09-10 | 2026-09-10 10:15 | Medical & prescriptions | No | Springfield, IL |
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.
Complaint pattern for (339) 210-5491
What the 29 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.
FCC complaints per month. Peak month: 2024-01 (15).
Complaints span 2 months, from 2024-01-05 to 2024-02-28, with activity recorded in 2 separate months.
The heaviest single day was 2024-02-06, when 3 separate consumers filed complaints about this number. Same-day clusters like that come from automated dialling rather than a person making calls one at a time.
Where the complaints came from
and 11 more states.
Complaints came from 19 different states, which is the footprint of an automated campaign dialling nationally rather than a local business.
How the calls were placed
- Text Message
- 25
- Prerecorded Voice
- 4
- Wireless (cell phone)
- 22
- Internet (VOIP)
- 6
- Wired
- 1
Text Message: An SMS rather than a voice call.
Prefix and area context
22 other numbers on the (339) 210 block have complaints too — 51 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 339 (Massachusetts), this is the 3rd most-complained-about number of the 779 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 (339) 210-5491
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 |
|---|---|---|---|
| 2024-02-28 | Text Message | Wireless (cell phone/other mobile device | AL |
| 2024-02-26 | Prerecorded Voice | Internet (VOIP) | FL |
| 2024-02-26 | Text Message | Wireless (cell phone/other mobile device | MD |
| 2024-02-23 | Text Message | Wireless (cell phone/other mobile device | MT |
| 2024-02-22 | Text Message | Wireless (cell phone/other mobile device | AL |
| 2024-02-20 | Text Message | Internet (VOIP) | SC |
| 2024-02-13 | Text Message | Wireless (cell phone/other mobile device | CA |
| 2024-02-12 | Prerecorded Voice | Internet (VOIP) | CA |
| 2024-02-06 | Text Message | Wireless (cell phone/other mobile device | DC |
| 2024-02-06 | Text Message | Wireless (cell phone/other mobile device | WA |
Is (339) 210-5491 a scam? Community reports
No community reports for (339) 210-5491 yet. If this number called you, you're likely the first — leave a report below and help the next person who searches it.
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 (339) 210-5491
Who called me from (339) 210-5491?
(339) 210-5491 is a landline / voip number on a prefix assigned to Onvoy (Sinch), based in Saugus, MA. Consumers have filed 30 complaints about it — 1 with the FTC's Do Not Call Registry and 29 with the FCC, most often describing medical and prescription calls.
Is (339) 210-5491 a scam or robocall?
1 consumer reported (339) 210-5491 to the FTC, and 0% of those who answered the question said it was a recorded message or robocall. The most common subject was medical and prescription. Nothing has been filed in the last 30 days. Complaints are a strong signal, not proof — never share personal or payment information with an unsolicited caller.
Should I call (339) 210-5491 back?
The most recent FTC complaint about this number was filed 2026-09-10; nothing has come in for the last 30 days, but the campaign was active within the year. 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 (339) 210-5491 filed?
Consumers in 19 states filed complaints about this number, which is the geographic spread of an automated campaign dialling nationally. 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.