Who called you?
(720) 721-3278
(720) 721-3278 is a landline / voip number from Denver, CO on a prefix assigned to The Voice Application Network, LLC. Consumers have filed 6 complaints about it: 6 with the FTC's Do Not Call Registry, most recently on 2026-09-11.
Reported within the last year — last FTC complaint 2026-09-11, for warranty robocalls. Nothing in the last 30 days.
Who called me from (720) 721-3278?
Carrier & location
- Type
- Landline / VoIP
- Assigned carrier
- The Voice Application Network, LLC
- Rate center
- Denver, CO
- Prefix 720-721
- pooled block
- Area code
- 720 — Colorado
- 720 covers
- Denver and Longmont
- Local time there
- —Mountain
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
- 62026-09-09 → 2026-09-11
- Community reports
- 0
FTC Do Not Call complaints (unverified consumer reports). Complaints run from 2026-09-09 to 2026-09-11.
Did this number call you? What was it?
What (720) 721-3278 was reported for
6 consumers reported this number to the FTC's National Do Not Call Registry between 2026-09-09 and 2026-09-11. Source: FTC Do Not Call complaints (unverified consumer reports).
Reported within the last year — last FTC complaint 2026-09-11, for warranty robocalls. Nothing in the last 30 days.
The heaviest single day was 2026-09-11, 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 (67%)
- Dropped call / no message1 (17%)
- Warranties & protection plans1 (17%)
2 of 2 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 67% of the reported calls in the 8 am – noon 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) 721-3278
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 |
|---|---|---|---|---|
| 2026-09-11 | 2026-09-11 11:31 | Other / unspecified | Yes | Merritt Island, FL |
| 2026-09-11 | 2026-09-11 10:38 | Dropped call / no message | — | CO |
| 2026-09-11 | 2026-09-11 10:38 | Other / unspecified | — | CO |
| 2026-09-11 | 2026-09-11 10:38 | Other / unspecified | — | CO |
| 2026-09-10 | 2026-09-10 15:08 | Warranties & protection plans | Yes | Hogansville, GA |
| 2026-09-09 | 2026-09-09 12:35 | Other / unspecified | — | CO |
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.
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) 721-3278 a scam? Community reports
No community reports for (720) 721-3278 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 (720) 721-3278
Who called me from (720) 721-3278?
(720) 721-3278 is a landline / voip number on a prefix assigned to The Voice Application Network, LLC, based in Denver, CO. Consumers have filed 6 complaints about it — 6 with the FTC's Do Not Call Registry, most often describing warranty calls.
Is (720) 721-3278 a scam or robocall?
6 consumers reported (720) 721-3278 to the FTC, and 100% of those who answered the question said it was a recorded message or robocall. The most common subject was warranty. 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 (720) 721-3278 back?
The most recent FTC complaint about this number was filed 2026-09-11; 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 was (720) 721-3278 reported?
Consumers in 3 states reported this number to the FTC, most often from CO, GA, FL. 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.