(720) 372-5720
Denver, CO
(720) 372-5720 is likely an unwanted sales call: 11 FTC complaints, 45% recorded messages.
- No new complaints since Mar 12, 2026 (FTC data through Nov 13, 2026).
- More FTC complaints than 99% of the 31,610 numbers with FTC complaints in area code 720.
- Only 1 number in the 720-372 block has more complaints, of 46 there with FTC complaints.
Complaint history
11 FTC complaints between Nov 13, 2022 and Mar 12, 2026.
The FTC complaints came in 5 of the 41 months from Nov 2022 to Mar 2026; the busiest was Mar 2026, with 5 of 11.
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
2 of its 11 FTC complaints (18%) are about debt relief, against 7% of the 40,642 FTC complaints about all numbers in area code 720.
Complaint categories chosen by FTC complainants:
- Not specified / other 8 · 73%
- Reducing your debt (credit cards, mortgage, student loans) 2 · 18%
- Dropped call or no message 1 · 9%
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 11 complaints describe debt collection.
Nearby numbers in 720-372
The closest reported numbers on either side of (720) 372-5720, in number order.
When the calls came
Time of day of 9 calls:
Day of the week of 11 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
- 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.
1 of 11 complainants has 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 Alabama (2), New York (2), Colorado (1) and Florida (1), among others.
Where FTC complainants were located (U.S. states):
- Alabama 2 · 18%
- New York 2 · 18%
- Colorado 1 · 9%
Show 3 more states Show fewer
- Florida 1 · 9%
- Michigan 1 · 9%
- Missouri 1 · 9%
Complainants' cities:
Kenosha, 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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Report (720) 372-5720
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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) 372-5720
- Who called me from (720) 372-5720?
- No complaint names the caller; FTC complainants most often said the calls were about debt relief. 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) 372-5720 a scam?
- Canadial rates it medium risk, from 11 complaints, latest Mar 12, 2026, 45% robocalls.
- Is (720) 372-5720 a debt collector or collection agency?
- Nothing says it is: none of its 11 complaints describe debt collection.
- Should I call (720) 372-5720 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) 372-5720 been reported?
- 11 complaints to the U.S. FTC's Do Not Call registry between Nov 13, 2022 and Mar 12, 2026.
- What do callers from (720) 372-5720 say?
- 2 of its 11 FTC complaints (18%) are about debt relief, against 7% of the 40,642 FTC complaints about all numbers in area code 720.
Data updated: FTC complaints through Nov 13, 2026; numbering records as of Nov 3, 2026; community reports live. How this page is built.