Who called you?
(301) 321-1739
(301) 321-1739 is a landline / voip number from Wsngtnzn11, MD on a prefix assigned to Onvoy (Sinch). Consumers have filed 2 complaints about it with the FCC, most recently on 2024-08-20.
Who called me from (301) 321-1739?
Carrier & location
- Type
- Landline / VoIP
- Assigned carrier
- Onvoy (Sinch)
- Rate center
- Wsngtnzn11, MD
- Prefix 301-321
- pooled block
- Area code
- 301 — 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
- 22024-08-19 → 2024-08-20
- Community reports
- 0
FCC Consumer Complaint Data, public record. Complaints run from 2024-08-19 to 2024-08-20.
Did this number call you? What was it?
Complaint pattern for (301) 321-1739
What the 2 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.
All 2 complaints were filed on the same day (2024-08-19) — a single burst rather than sustained calling.
Where the complaints came from
- MD2
Every complaint came from a single state (MD), which is more consistent with a local or regional caller than a national campaign.
How the calls were placed
- Prerecorded Voice
- 2
- Wireless (cell phone)
- 2
Prerecorded Voice: A recorded message rather than a person. Prerecorded marketing calls to a mobile require prior express written consent under the TCPA.
Prefix and area context
11 other numbers on the (301) 321 block have complaints too — 16 across the block in total. None of them overlap in time with this number, so the block activity looks like separate episodes rather than one campaign.
Within area code 301 (Maryland), this is the 234th most-complained-about number of the 4,357 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 (301) 321-1739
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 |
|---|---|---|---|
| 2024-08-20 | Prerecorded Voice | Wireless (cell phone/other mobile device | MD |
| 2024-08-19 | Prerecorded Voice | Wireless (cell phone/other mobile device | MD |
Reported in the last 7 days in area code 301 (Maryland)
Numbers in this area code that consumers reported to the FTC's Do Not Call Registry this week.
- (301) 349-93913 this week · Dropped call / no message
- (301) 960-78422 this week · Impostor (government, business, family)
- (301) 747-27172 this week · No subject given
- (301) 202-13351 this week · Medical & prescriptions
- (301) 215-22501 this week · Vacation & timeshares
- (301) 238-39741 this week · Dropped call / no message
- (301) 244-98191 this week · Medical & prescriptions
- (301) 264-72021 this week · No subject given
- (301) 298-13291 this week · No subject given
- (301) 321-70091 this week · Debt reduction
Is (301) 321-1739 a scam? Community reports
No community reports for (301) 321-1739 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 (301) 321
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 (301) 321-1739
Who called me from (301) 321-1739?
(301) 321-1739 is a landline / voip number on a prefix assigned to Onvoy (Sinch), based in Wsngtnzn11, MD. Consumers have filed 2 complaints about it with the FCC.
Is (301) 321-1739 a scam or robocall?
The FCC's public complaint data contains 2 complaints about unwanted calls from (301) 321-1739, including 2 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 (301) 321-1739 back?
The most recent complaint against this number was filed on 2024-08-20. 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; FTC and FCC complaints are unverified consumer submissions. Own this number? Dispute a listing.