(720) 456-3776
Denver, CO
(720) 456-3776 is likely an unwanted sales call: 10 FTC complaints, 20% recorded messages, most often about dropped calls or silence (30%).
- No new complaints since May 20, 2024 (FTC data through Nov 13, 2026).
- More FTC complaints than 99% of the 31,610 numbers with FTC complaints in area code 720.
Complaint history
10 FTC complaints between Jan 26, 2023 and May 20, 2024.
The FTC complaints came in 3 of the 17 months from Jan 2023 to May 2024; the busiest was Oct 2023, with 8 of 10.
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
3 of its 10 FTC complaints (30%) are 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 6 · 60%
- Dropped call or no message 3 · 30%
- Calls pretending to be government, businesses, or family and friends 1 · 10%
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 10 complaints describe debt collection.
Nearby numbers in 720-456
The closest reported numbers on either side of (720) 456-3776, in number order.
When the calls came
Time of day of 9 calls:
Day of the week of 10 calls; most often Tuesday (4):
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 10 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 Missouri (5 of 10); others in Washington (2), Louisiana (1) and Ohio (1) and more. Statewide, Missouri ranks #33 of the 50 states and DC for Do Not Call complaints per resident: 41,302 in the last 12 months, 658.7 per 100,000 people. Spam calls in Missouri.
Where FTC complainants were located (U.S. states):
- Missouri 5 · 50%
- Washington 2 · 20%
- Louisiana 1 · 10%
Show 2 more states Show fewer
- Ohio 1 · 10%
- Texas 1 · 10%
Complainants' cities:
Springfield, MO (5) · Mooringsport, LA (1) · Tumwater, WA (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) 456-3776
- Who called me from (720) 456-3776?
- 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) 456-3776 a scam?
- Canadial rates it low risk, from 10 complaints, latest May 20, 2024, 20% robocalls.
- Is (720) 456-3776 a debt collector or collection agency?
- Nothing says it is: none of its 10 complaints describe debt collection.
- Should I call (720) 456-3776 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) 456-3776 been reported?
- 10 complaints to the U.S. FTC's Do Not Call registry between Jan 26, 2023 and May 20, 2024.
- What do callers from (720) 456-3776 say?
- 3 of its 10 FTC complaints (30%) are about dropped calls or silence, against 16% of the 40,642 FTC complaints about all numbers in area code 720.
- When does (720) 456-3776 call?
- In FTC complaints, the most common day was Tuesday (4 of 10).
Data updated: FTC complaints through Nov 13, 2026; numbering records as of Nov 3, 2026; community reports live. How this page is built.