(720) 923-0855
Denver, CO
(720) 923-0855 is likely a robocall: 10 FTC complaints, 70% recorded messages, most often about impersonating a government agency, business or relative (30%).
- No new complaints since Jul 24, 2024 (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 720-923 block has more complaints; 26 numbers there have FTC complaints.
Complaint history
10 FTC complaints between May 17, 2024 and Jul 24, 2024.
The FTC complaints came in 2 of the 3 months from May 2024 to Jul 2024; the busiest was Jul 2024, with 9 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 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 · 50%
- Calls pretending to be government, businesses, or family and friends 3 · 30%
- Dropped call or no message 2 · 20%
Who called
The number's block is assigned to Advanced Telecom Solutions, LLC in Denver, CO.
Is it a debt collector?
Nothing says it is: none of its 10 complaints describe debt collection.
Nearby numbers in 720-923
The closest reported numbers on either side of (720) 923-0855, in number order.
All reported numbers in 720-923 →When the calls came
Time of day of 9 calls; most often the 10 a.m. hour (3):
Day of the week of 10 calls; most often Thursday (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
- Advanced Telecom Solutions, 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 10 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 Illinois (2), Michigan (2), New York (2) and North Carolina (2), among others.
Where FTC complainants were located (U.S. states):
- Illinois 2 · 20%
- Michigan 2 · 20%
- New York 2 · 20%
Show 3 more states Show fewer
- North Carolina 2 · 20%
- California 1 · 10%
- Ohio 1 · 10%
Complainants' cities (most common):
Douglas, MI (2) · Chicago, IL (1) · Indian Trail, NC (1) · Matthews, NC (1) · Oceanside, NY (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) 923-0855
- Who called me from (720) 923-0855?
- 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 Advanced Telecom Solutions, LLC in Denver, CO (NANPA, Nov 3, 2026); numbers can move between carriers, so the caller's provider may differ.
- Is (720) 923-0855 a scam?
- Canadial rates it low risk, from 10 complaints, latest Jul 24, 2024, 70% robocalls.
- Is (720) 923-0855 a debt collector or collection agency?
- Nothing says it is: none of its 10 complaints describe debt collection.
- Should I call (720) 923-0855 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) 923-0855 been reported?
- 10 complaints to the U.S. FTC's Do Not Call registry between May 17, 2024 and Jul 24, 2024.
- What do callers from (720) 923-0855 say?
- 3 of its 10 FTC complaints (30%) 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) 923-0855 call?
- In FTC complaints, the most common time was the 10 a.m. hour (3 of 9 calls with a time); the most common day was Thursday (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.