(720) 704-7788
Denver, CO
(720) 704-7788 is reported as unwanted: 1 FTC complaint and 4 FCC complaints.
Most common complaint: dropped calls or silence (100% of FTC complaints).
- No FTC complaints dated in the 30 days to Nov 13, 2026, 1 in the 90 days before.
Complaint history
1 FTC complaint on Aug 27, 2026.
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.
Complaints to the FCC
4 complaints to the U.S. Federal Communications Commission between Apr 2, 2021 and May 14, 2021.
Of the 4 complainants, 3 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 (4).
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.
What callers claimed
Complaint categories chosen by FTC complainants:
- Dropped call or no message 1 · 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 5 complaints describe debt collection.
Nearby numbers in 720-704
The closest reported numbers on either side of (720) 704-7788, in number order.
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.
The one FTC complainant was 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 1 · 100%
Complainants' cities:
Castle Pines, CO (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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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) 704-7788
- Who called me from (720) 704-7788?
- No complaint names the caller. 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.
- Is (720) 704-7788 a scam?
- Canadial rates it medium risk, from 5 complaints, latest Aug 27, 2026.
- Is (720) 704-7788 a debt collector or collection agency?
- Nothing says it is: none of its 5 complaints describe debt collection.
- Should I call (720) 704-7788 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) 704-7788 been reported?
- 1 complaint to the U.S. FTC's Do Not Call registry on Aug 27, 2026 and 4 complaints to the U.S. FCC between Apr 2, 2021 and May 14, 2021.
- What do callers from (720) 704-7788 say?
- The most common complaint category is "Dropped call or no message" (100% of FTC complaints).
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.