(720) 677-6359
Denver, CO
(720) 677-6359 is likely an unwanted sales call: 3 FTC complaints, 33% recorded messages, mostly about dropped calls or silence.
- No new complaints since Sep 4, 2024 (FTC data through Nov 13, 2026).
- More FTC complaints than 95% of the 31,610 numbers with FTC complaints in area code 720.
Complaint history
3 FTC complaints between Oct 23, 2023 and Sep 4, 2024.
The FTC complaints came in 3 of the 12 months from Oct 2023 to Sep 2024.
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 3 FTC complaints (100%) 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:
- Dropped call or no message 3 · 100%
Who called
The number's block is assigned to Onvoy, LLC in Denver, CO.
Is it a debt collector?
Nothing says it is: none of its 3 complaints describe debt collection.
Part of a group of similar numbers
(720) 677-6359 is one of 5 numbers in 720-677 first reported to the FTC for “Dropped call or no message” calls between Oct 23, 2023 and Oct 28, 2023, 17 complaints in all; most from New Jersey (53%), Colorado (47%).
Numbers from one block reported for the same thing within days of each other are rarely chance; they usually mean one operation cycling through numbers. How groups are found.
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Nearby numbers in 720-677
215 numbers in 720-677 have 359 FTC complaints between them (48% robocalls), 3 of them about (720) 677-6359. The commonest categories in the block: Dropped call or no message (15%), Reducing your debt (credit cards, mortgage, student loans) (10%).
The closest reported numbers on either side of (720) 677-6359, in number order.
When the calls came
Time of day of 3 calls; most often the 3 p.m. hour (2):
Day of the week of 3 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
- Onvoy, 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.
All 3 FTC complainants were in Colorado. Statewide, Colorado ranks #7 of the 50 states and DC for Do Not Call complaints per resident: 59,905 in the last 12 months, 996.3 per 100,000 people. Spam calls in Colorado.
Where FTC complainants were located (U.S. states):
- Colorado 3 · 100%
Complainants' cities:
Littleton, CO (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) 677-6359
- Who called me from (720) 677-6359?
- 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 Onvoy, LLC in Denver, CO (NANPA, Nov 3, 2026); numbers can move between carriers, so the caller's provider may differ. It's one of 5 numbers in the same block first reported for the same kind of call within days of each other, likely one operation.
- Is (720) 677-6359 a scam?
- Canadial rates it low risk, from 3 complaints, latest Sep 4, 2024, 33% robocalls.
- Is (720) 677-6359 a debt collector or collection agency?
- Nothing says it is: none of its 3 complaints describe debt collection.
- Should I call (720) 677-6359 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) 677-6359 been reported?
- 3 complaints to the U.S. FTC's Do Not Call registry between Oct 23, 2023 and Sep 4, 2024.
- What do callers from (720) 677-6359 say?
- 3 of its 3 FTC complaints (100%) are about dropped calls or silence, against 16% of the 40,642 FTC complaints about all numbers in area code 720.
- When does (720) 677-6359 call?
- In FTC complaints, the most common time was the 3 p.m. hour (2 of 3 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.