(720) 506-5191
Denver, CO
(720) 506-5191 is likely an unwanted sales call: 9 FTC complaints, 33% recorded messages, most often about impersonating a government agency, business or relative (33%).
- No FTC complaints dated in the 30 days to Nov 13, 2026, 1 in the 90 days before.
- No new complaints since Jul 25, 2026 (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 720-506 block has more complaints; 30 numbers there have FTC complaints.
Complaint history
9 FTC complaints between Feb 9, 2023 and Jul 25, 2026.
The FTC complaints came in 8 of the 42 months from Feb 2023 to Jul 2026; the busiest was Nov 2023, with 2 of 9.
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 9 FTC complaints (33%) 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 5 · 56%
- Calls pretending to be government, businesses, or family and friends 3 · 33%
- Dropped call or no message 1 · 11%
Who called
The number's block is assigned to Level 3 Communications, LLC in Denver, CO.
Is it a debt collector?
Nothing says it is: none of its 9 complaints describe debt collection.
Nearby numbers in 720-506
The closest reported numbers on either side of (720) 506-5191, in number order.
All reported numbers in 720-506 →When the calls came
Time of day of 8 calls; most often the 2 p.m. hour (3):
Day of the week of 9 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 Communications, 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.
Most FTC complainants were in California (3 of 9); others in Montana (2), Idaho (1) and Nebraska (1) and more. Statewide, California ranks #26 of the 50 states and DC for Do Not Call complaints per resident: 283,769 in the last 12 months, 721 per 100,000 people. Spam calls in California.
Where FTC complainants were located (U.S. states):
- California 3 · 33%
- Montana 2 · 22%
- Idaho 1 · 11%
Show 3 more states Show fewer
- Nebraska 1 · 11%
- North Carolina 1 · 11%
- Washington 1 · 11%
Complainants' cities (most common):
Dutton, MT (2) · Camano, WA (1) · Harvard, NE (1) · Mariposa, CA (1) · Santa Rosa, CA (1)
As typed on the FTC form, with spelling variants merged; complaints without a city aren't counted.
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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) 506-5191
- Who called me from (720) 506-5191?
- 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 Level 3 Communications, LLC in Denver, CO (NANPA, Nov 3, 2026); numbers can move between carriers, so the caller's provider may differ.
- Is (720) 506-5191 a scam?
- Canadial rates it medium risk, from 9 complaints, latest Jul 25, 2026, 33% robocalls.
- Is (720) 506-5191 a debt collector or collection agency?
- Nothing says it is: none of its 9 complaints describe debt collection.
- Should I call (720) 506-5191 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) 506-5191 been reported?
- 9 complaints to the U.S. FTC's Do Not Call registry between Feb 9, 2023 and Jul 25, 2026.
- What do callers from (720) 506-5191 say?
- 3 of its 9 FTC complaints (33%) 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) 506-5191 call?
- In FTC complaints, the most common time was the 2 p.m. hour (3 of 8 calls with a time).
Data updated: FTC complaints through Nov 13, 2026; numbering records as of Nov 3, 2026; community reports live. How this page is built.