Who called you?
(307) 445-9981
(307) 445-9981 is a landline / voip number from Kemmerer, WY on a prefix assigned to Onvoy (Sinch). Consumers have filed 1 complaint about it with the FCC, most recently on 2026-07-30.
Who called me from (307) 445-9981?
Carrier & location
- Type
- Landline / VoIP
- Assigned carrier
- Onvoy (Sinch)
- Rate center
- Kemmerer, WY
- Prefix 307-445
- assigned 2021-02-05, pooled block
- Area code
- 307 — Wyoming
- Time zone
- M
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
- 12026-07-30
- Community reports
- 0
FCC Consumer Complaint Data, public record.
Did this number call you? What was it?
Complaint pattern for (307) 445-9981
What the 1 public FCC complaint 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 1 complaints were filed on the same day (2026-07-30) — a single burst rather than sustained calling.
Where the complaints came from
- WY1
Every complaint came from a single state (WY), which is more consistent with a local or regional caller than a national campaign.
How the calls were placed
- Live Voice
- 1
- Wireless (cell phone)
- 1
Live Voice: A person was on the line when the call was answered.
Prefix and area context
1 other number on the (307) 445 block has complaints too — 2 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 307 (Wyoming), this is the 266th most-complained-about number of the 2,074 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 (307) 445-9981
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 |
|---|---|---|---|
| 2026-07-30 | Live Voice | Wireless (cell phone/other mobile device | WY |
Reported in the last 7 days in area code 307 (Wyoming)
Numbers in this area code that consumers reported to the FTC's Do Not Call Registry this week.
- (307) 306-41452 this week · Impostor (government, business, family)
- (307) 358-26252 this week · Debt reduction
- (307) 439-16982 this week · Impostor (government, business, family)
- (307) 466-18772 this week · No subject given
- (307) 292-70262 this week · No subject given
- (307) 222-95501 this week · Debt reduction
- (307) 292-72701 this week · No subject given
- (307) 309-76591 this week · No subject given
- (307) 327-19171 this week · No subject given
- (307) 445-22831 this week · Home security & alarms
Is (307) 445-9981 a scam? Community reports
No community reports for (307) 445-9981 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 (307) 445
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 (307) 445-9981
Who called me from (307) 445-9981?
(307) 445-9981 is a landline / voip number on a prefix assigned to Onvoy (Sinch), based in Kemmerer, WY. Consumers have filed 1 complaint about it with the FCC.
Is (307) 445-9981 a scam or robocall?
The FCC's public complaint data contains 1 complaint about unwanted calls from (307) 445-9981. 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 (307) 445-9981 back?
Complaints about this number are current — the most recent was filed 37 days ago — 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.