Who called you?
(720) 915-9743
(720) 915-9743 is a landline / voip number from Allnspklyn, CO on a prefix assigned to Vonage. Consumers have filed 7 complaints about it: 7 with the FTC's Do Not Call Registry, most recently on 2026-09-02.
Reported this month — 7 FTC complaints in the last 30 days, most recently 2 days ago, for debt-relief robocalls.
Who called me from (720) 915-9743?
Carrier & location
- Type
- Landline / VoIP
- Assigned carrier
- Vonage
- Rate center
- Allnspklyn, CO
- Prefix 720-915
- assigned 2022-06-24, pooled block
- Area code
- 720 — Colorado
- 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
- FTC Do Not Call reports
- 72026-08-14 → 2026-09-02
- Community reports
- 0
FTC Do Not Call complaints (unverified consumer reports). Complaints run from 2026-08-14 to 2026-09-02.
Did this number call you? What was it?
What (720) 915-9743 was reported for
7 consumers reported this number to the FTC's National Do Not Call Registry between 2026-08-14 and 2026-09-02. Source: FTC Do Not Call complaints (unverified consumer reports).
Reported this month — 7 FTC complaints in the last 30 days, most recently 2 days ago, for debt-relief robocalls.
FTC Do Not Call reports per month. Peak month: 2026-08 (6).
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 (57%)
- Dropped call / no message2 (29%)
- Debt reduction1 (14%)
4 of 6 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.
When the calls came in
Consumers put 43% of the reported calls in the noon – 5 pm window, and 100% on weekdays. The FTC's Telemarketing Sales Rule bars sales calls before 8 am or after 9 pm in the consumer's local time.
Recent FTC reports naming (720) 915-9743
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 |
|---|---|---|---|---|
| 2026-09-02 | 2026-08-19 19:30 | Other / unspecified | Yes | Centennial, CO |
| 2026-08-26 | 2026-08-17 16:51 | Debt reduction | Yes | Pacific, MO |
| 2026-08-25 | 2026-08-24 19:18 | Other / unspecified | Yes | Charlotte, NC |
| 2026-08-21 | 2026-08-21 16:24 | Other / unspecified | — | Elk Grove, CA |
| 2026-08-20 | 2026-08-20 08:38 | Dropped call / no message | No | Katy, TX |
| 2026-08-17 | 2026-08-17 15:13 | Dropped call / no message | Yes | Saint Charles, MO |
| 2026-08-14 | 2026-08-14 09:46 | Other / unspecified | No | OH |
Reported in the last 7 days in area code 720 (Colorado)
Other 720 numbers consumers reported to the FTC this week — useful when a campaign is rotating through an area code.
- (720) 721-78512 this week · No subject given
- (720) 780-17042 this week · No subject given
- (720) 204-23211 this week · Medical & prescriptions
- (720) 253-19551 this week · Debt reduction
- (720) 264-62361 this week · Medical & prescriptions
- (720) 344-57061 this week · No subject given
- (720) 358-89571 this week · No subject given
- (720) 408-15451 this week · No subject given
- (720) 452-83961 this week · No subject given
- (720) 463-94471 this week · Debt reduction
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 (720) 915-9743 a scam? Community reports
No community reports for (720) 915-9743 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 (720) 915
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 (720) 915-9743
Who called me from (720) 915-9743?
(720) 915-9743 is a landline / voip number on a prefix assigned to Vonage, based in Allnspklyn, CO. Consumers have filed 7 complaints about it — 7 with the FTC's Do Not Call Registry, most often describing debt-relief calls.
Is (720) 915-9743 a scam or robocall?
7 consumers reported (720) 915-9743 to the FTC, and 67% of those who answered the question said it was a recorded message or robocall. The most common subject was debt-relief. 7 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 (720) 915-9743 back?
Reports about this number are current — the most recent FTC complaint was filed 2026-09-02 — 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.
Where was (720) 915-9743 reported?
Consumers in 6 states reported this number to the FTC, most often from MO, CA, NC. The FTC records the state the consumer 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.