(720) 398-6704
Denver, CO
(720) 398-6704 is reported as unwanted: 4 FCC complaints.
- No new complaints since Sep 3, 2020 (FTC data through Nov 13, 2026).
Complaint history
Complaints to the FCC
4 complaints to the U.S. Federal Communications Commission between Mar 8, 2020 and Sep 3, 2020; 2 gave it as the number to call back rather than the caller ID.
Of the 4 complainants, 2 heard a recorded message, 1 got a call that hung up or stayed silent and 1 heard a live person. They filed them as unwanted calls (4). Complainants were in Colorado (3) and California (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.
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 4 complaints describe debt collection.
Nearby numbers in 720-398
The closest reported numbers on either side of (720) 398-6704, in number order.
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.
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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) 398-6704
- Who called me from (720) 398-6704?
- No complaint names the caller. 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) 398-6704 a scam?
- Canadial rates it low risk, from 4 complaints, latest Sep 3, 2020.
- Is (720) 398-6704 a debt collector or collection agency?
- Nothing says it is: none of its 4 complaints describe debt collection.
- Should I call (720) 398-6704 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) 398-6704 been reported?
- 4 complaints to the U.S. FCC between Mar 8, 2020 and Sep 3, 2020.
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.