(720) 783-3291
Denver, CO
(720) 783-3291 is likely an unwanted sales call: 19 FTC complaints, 37% recorded messages, most often about impersonating a government agency, business or relative (32%).
- No FTC complaints dated in the 30 days to Nov 13, 2026, 2 in the 90 days before.
- More FTC complaints than 99% of the 31,610 numbers with FTC complaints in area code 720.
- No number in the 720-783 block has more complaints; 286 numbers there have FTC complaints.
Complaint history
19 FTC complaints between Oct 5, 2023 and Aug 27, 2026.
The FTC complaints came in 13 of the 35 months from Oct 2023 to Aug 2026.
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.
What callers claimed
6 of its 19 FTC complaints (32%) are about impersonating a government agency, business or relative, against 9% of the 40,642 FTC complaints about all numbers in area code 720.
Complaint categories chosen by FTC complainants:
- Not specified / other 9 · 47%
- Calls pretending to be government, businesses, or family and friends 6 · 32%
- Dropped call or no message 3 · 16%
- Computer & technical support 1 · 5%
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 19 complaints describe debt collection.
Nearby numbers in 720-783
The closest reported numbers on either side of (720) 783-3291, in number order.
When the calls came
Time of day of 19 calls; most often the 3 p.m. hour (8):
Day of the week of 19 calls; most often Thursday (6):
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 19 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 Colorado (13 of 19); others in Nebraska (5) and North Dakota (1). Statewide, Colorado ranks #7 of the 50 states and DC for Do Not Call complaints per resident: 59,905 in the last 12 months, 996.3 per 100,000 people. Spam calls in Colorado.
Where FTC complainants were located (U.S. states):
- Colorado 13 · 68%
- Nebraska 5 · 26%
- North Dakota 1 · 5%
Complainants' cities (most common):
Loveland, CO (3) · Estes Park, CO (2) · Evergreen, CO (2) · Fort Collins, CO (2) · Bismarck, ND (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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Recent community reports
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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) 783-3291
- Who called me from (720) 783-3291?
- No complaint names the caller; FTC complainants most often said the calls were about impersonating a government agency, business or relative. 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) 783-3291 a scam?
- Canadial rates it medium risk, from 19 complaints, latest Aug 27, 2026, 37% robocalls.
- Is (720) 783-3291 a debt collector or collection agency?
- Nothing says it is: none of its 19 complaints describe debt collection.
- Should I call (720) 783-3291 back?
- No. Calling back can confirm that your line is answered. If the caller claimed to be a company or agency you deal with, contact it on a number you find yourself.
- How many times has (720) 783-3291 been reported?
- 19 complaints to the U.S. FTC's Do Not Call registry between Oct 5, 2023 and Aug 27, 2026.
- What do callers from (720) 783-3291 say?
- 6 of its 19 FTC complaints (32%) are about impersonating a government agency, business or relative, against 9% of the 40,642 FTC complaints about all numbers in area code 720.
- When does (720) 783-3291 call?
- In FTC complaints, the most common time was the 3 p.m. hour (8 of 19 calls with a time); the most common day was Thursday (6 of 19).
Data updated: FTC complaints through Nov 13, 2026; numbering records as of Nov 3, 2026; community reports live. How this page is built.