(720) 456-3765
Denver, CO
(720) 456-3765 is likely a robocall: 4 FTC complaints and 2 FCC complaints, recorded messages in 75% of the FTC complaints, most often about dropped calls or silence (25%).
- No FTC complaints dated in the 30 days to Nov 13, 2026, 1 in the 90 days before.
- More FTC complaints than 97% of the 31,610 numbers with FTC complaints in area code 720.
Complaint history
4 FTC complaints between Jan 3, 2024 and Aug 26, 2026.
The FTC complaints came in 3 of the 32 months from Jan 2024 to Aug 2026; the busiest was Jan 2024, with 2 of 4.
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 Jul 23, 2018 and Jul 21, 2024.
Of the 2 complainants, 1 heard a live person. They filed them as unwanted calls (2). The calls were about credit card debt (1). Complainants were in Colorado (1) and Florida (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 4 FTC complaints (25%) 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 3 · 75%
- Dropped call or no message 1 · 25%
Who called
The number's block is assigned to Level 3 Telecom of Colorado, LLC in Denver, CO.
Is it a debt collector?
Nothing says it is: none of its 6 complaints describe debt collection.
Nearby numbers in 720-456
The closest reported numbers on either side of (720) 456-3765, in number order.
When the calls came
Time of day of 4 calls; most often the 8 a.m. hour (2):
Day of the week of 4 calls; most often Wednesday (3):
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
- Level 3 Telecom of Colorado, 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 4 complainants have area code 720, the number's own. The calls reached people elsewhere, so this isn't a local caller to them.
FTC complainants were in California (1), Nevada (1), New York (1) and Washington (1).
Where FTC complainants were located (U.S. states):
- California 1 · 25%
- Nevada 1 · 25%
- New York 1 · 25%
Show 1 more states Show fewer
- Washington 1 · 25%
Complainants' cities:
Las Vegas, NV (1) · Los Angeles, CA (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) 456-3765
- Who called me from (720) 456-3765?
- 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 Level 3 Telecom of Colorado, LLC in Denver, CO (NANPA, Nov 3, 2026); numbers can move between carriers, so the caller's provider may differ.
- Is (720) 456-3765 a scam?
- Canadial rates it medium risk, from 6 complaints, latest Aug 26, 2026, robocalls in 75% of the FTC complaints.
- Is (720) 456-3765 a debt collector or collection agency?
- Nothing says it is: none of its 6 complaints describe debt collection.
- Should I call (720) 456-3765 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) 456-3765 been reported?
- 4 complaints to the U.S. FTC's Do Not Call registry between Jan 3, 2024 and Aug 26, 2026 and 2 complaints to the U.S. FCC between Jul 23, 2018 and Jul 21, 2024.
- What do callers from (720) 456-3765 say?
- 1 of its 4 FTC complaints (25%) is about dropped calls or silence, against 16% of the 40,642 FTC complaints about all numbers in area code 720.
- When does (720) 456-3765 call?
- In FTC complaints, the most common time was the 8 a.m. hour (2 of 4 calls with a time); the most common day was Wednesday (3 of 4).
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.