Who called you?
(734) 781-9391
(734) 781-9391 is a landline / voip number from Plymouth, MI on a prefix assigned to Teleport Communications America, LLC. Consumers have filed 4 complaints about it: 4 with the FTC's Do Not Call Registry, most recently on 2026-09-10.
Reported this month — 4 FTC complaints in the last 30 days, most recently 4 days ago, for unwanted calls.
Who called me from (734) 781-9391?
Carrier & location
- Type
- Landline / VoIP
- Assigned carrier
- Teleport Communications America, LLC
- Rate center
- Plymouth, MI
- Prefix 734-781
- pooled block
- Area code
- 734 — Michigan
- 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
- FTC Do Not Call reports
- 42026-09-10
- Community reports
- 0
FTC Do Not Call complaints (unverified consumer reports).
Did this number call you? What was it?
What (734) 781-9391 was reported for
4 consumers 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 this month — 4 FTC complaints in the last 30 days, most recently 4 days ago, for unwanted calls.
The heaviest single day was 2026-09-10, when 4 separate consumers reported this number. Same-day clusters like that come from automated dialling rather than one person making calls.
Reported for
The subject each consumer chose when filing. “Impostor” means the caller claimed to be a government agency, a business, or a relative.
- Other / unspecified4 (100%)
0 of 4 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.
- MI4 (100%)
Recent FTC reports naming (734) 781-9391
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 in the last 7 days in area code 734 (Michigan)
Other 734 numbers consumers reported to the FTC this week — useful when a campaign is rotating through an area code.
- (734) 343-87234 this week · Impostor (government, business, family)
- (734) 999-15544 this week · Debt reduction
- (734) 361-25152 this week · No subject given
- (734) 415-46502 this week · Impostor (government, business, family)
- (734) 802-74802 this week · No subject given
- (734) 921-04182 this week · Debt reduction
- (734) 702-00072 this week · Debt reduction
- (734) 554-87242 this week · Impostor (government, business, family)
- (734) 593-14332 this week · No subject given
- (734) 222-10811 this week · Medical & prescriptions
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.
Is (734) 781-9391 a scam? Community reports
No community reports for (734) 781-9391 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 (734) 781
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 (734) 781-9391
Who called me from (734) 781-9391?
(734) 781-9391 is a landline / voip number on a prefix assigned to Teleport Communications America, LLC, based in Plymouth, MI. Consumers have filed 4 complaints about it — 4 with the FTC's Do Not Call Registry.
Is (734) 781-9391 a scam or robocall?
4 consumers reported (734) 781-9391 to the FTC, and 0% of those who answered the question said it was a recorded message or robocall. 4 of the reports were filed in the last 30 days, so the campaign is current. Complaints are a strong signal, not proof — never share personal or payment information with an unsolicited caller.
Should I call (734) 781-9391 back?
Reports about this number are current — the most recent FTC complaint was filed 2026-09-10 — so calling back is not advisable. 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.