(720) 408-3363
Denver, CO
(720) 408-3363 is likely a robocall: 7 FTC complaints and 2 FCC complaints, recorded messages in 71% of the FTC complaints.
- No new complaints since Dec 8, 2022 (FTC data through Nov 13, 2026).
- More FTC complaints than 99% of the 31,610 numbers with FTC complaints in area code 720.
- No number in the 720-408 block has more complaints; 45 numbers there have FTC complaints.
Complaint history
7 FTC complaints between Oct 11, 2022 and Dec 8, 2022.
The FTC complaints came in every month from Oct 2022 to Dec 2022; the busiest was Nov 2022, with 4 of 7.
FTC complaints are filed by consumers with the U.S. Federal Trade Commission's Do Not Call registry; they aren't verified by the FTC or by us.
Complaints to the FCC
2 complaints to the U.S. Federal Communications Commission between Nov 15, 2022 and Dec 7, 2022.
Of the 2 complainants, 1 heard a live person and 1 heard a recorded message. They filed them as unwanted calls (2). The calls were about prizes won something (1). Complainants were in Kentucky (1) and Wisconsin (1).
Source: FCC Consumer Help Center, Consumer Complaints Data (public domain), complaints about unwanted calls, telemarketing and robocalls. The FCC doesn't verify the facts alleged in complaints, and neither do we.
What callers claimed
1 of its 7 FTC complaints (14%) is about dropped calls or silence, against 16% of the 40,642 FTC complaints about all numbers in area code 720.
Complaint categories chosen by FTC complainants:
- Not specified / other 5 · 71%
- Dropped call or no message 1 · 14%
- Reducing your debt (credit cards, mortgage, student loans) 1 · 14%
Who called
The number's block is assigned to Onvoy, LLC in Denver, CO.
Is it a debt collector?
Nothing says it is: none of its 9 complaints describe debt collection.
Nearby numbers in 720-408
The closest reported numbers on either side of (720) 408-3363, in number order.
When the calls came
Time of day of 7 calls; most often the 11 a.m. hour (4):
Day of the week of 7 calls:
The date and time of the call as complainants entered them on the FTC form; the time zone isn't recorded. Times entered as exactly midnight or noon are left out (they're usually the form's default).
Location
- Location of the number block
- Denver, CO, USA
- Block assigned to
- Onvoy, LLC
From the North American Numbering Plan Administrator (Nov 3, 2026). This is who the number block was assigned to; numbers can be moved between carriers, and caller IDs can be faked.
None of 7 complainants have area code 720, the number's own. The calls reached people elsewhere, so this isn't a local caller to them.
Most FTC complainants were in Michigan (2 of 7); others in Colorado (1), Kansas (1) and New Jersey (1) and more. Statewide, Michigan ranks #8 of the 50 states and DC for Do Not Call complaints per resident: 97,922 in the last 12 months, 966.9 per 100,000 people. Spam calls in Michigan.
Where FTC complainants were located (U.S. states):
- Michigan 2 · 29%
- Colorado 1 · 14%
- Kansas 1 · 14%
Show 3 more states Show fewer
- New Jersey 1 · 14%
- Pennsylvania 1 · 14%
- Wisconsin 1 · 14%
Complainants' cities (most common):
Export, PA (1) · Fountain, CO (1) · Frankfort, MI (1) · Herington, KS (1) · Medford, WI (1)
As typed on the FTC form, with spelling variants merged; complaints without a city aren't counted.
Searches on Canadial
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What to do
- Don't share personal or banking details, or pay anyone, on a call you didn't expect. Hang up and call the organization back on a number you find yourself.
- Block it from your recent calls (iPhone: ⓘ, then “Block this Caller”; Android: long-press, then “Block”).
- Report fraud to the Canadian Anti-Fraud Centre (1-888-495-8501).
- Report telemarketing if you're registered and still got the call: to the National Do Not Call List.
- A collector calling? How to check a collection agency in your province.
- Report fraud to the FTC.
- Report telemarketing if you're registered and still got the call: to the National Do Not Call Registry.
- A collector calling? See the FTC's guide to your rights.
- Report fraud: in the U.S. to the FTC; in Canada to the Canadian Anti-Fraud Centre (1-888-495-8501).
- Report telemarketing if you're registered and still got the call: in the U.S. to the National Do Not Call Registry; in Canada to the National Do Not Call List.
- A collector calling? In the U.S., see the FTC's guide to your rights; in Canada, how to check a collection agency in your province.
Questions about (720) 408-3363
- Who called me from (720) 408-3363?
- No complaint names the caller; FTC complainants most often said the calls were about dropped calls or silence. The number is in a block assigned to Onvoy, LLC in Denver, CO (NANPA, Nov 3, 2026); numbers can move between carriers, so the caller's provider may differ.
- Is (720) 408-3363 a scam?
- Canadial rates it low risk, from 9 complaints, latest Dec 8, 2022, robocalls in 71% of the FTC complaints.
- Is (720) 408-3363 a debt collector or collection agency?
- Nothing says it is: none of its 9 complaints describe debt collection.
- Should I call (720) 408-3363 back?
- Be careful. If you don't recognize it, let it go to voicemail: a legitimate caller will leave a message, and you can reach any real organization on a number you look up yourself.
- How many times has (720) 408-3363 been reported?
- 7 complaints to the U.S. FTC's Do Not Call registry between Oct 11, 2022 and Dec 8, 2022 and 2 complaints to the U.S. FCC between Nov 15, 2022 and Dec 7, 2022.
- What do callers from (720) 408-3363 say?
- 1 of its 7 FTC complaints (14%) is about dropped calls or silence, against 16% of the 40,642 FTC complaints about all numbers in area code 720.
- When does (720) 408-3363 call?
- In FTC complaints, the most common time was the 11 a.m. hour (4 of 7 calls with a time).
Data updated: FTC complaints through Nov 13, 2026; FCC complaints refreshed daily; numbering records as of Nov 3, 2026; community reports live. How this page is built.