Canadial Know Who Called

(720) 304-3539

Denver, CO

Low risk

(720) 304-3539 has 1 FTC complaint.

Report this number
Did (720) 304-3539 call you?
1
FTC complaints
0
Community reports
Feb 7, 2024
Latest report

Complaint history

1 FTC complaint on Feb 7, 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

Complaint categories chosen by FTC complainants:

  • Not specified / other 1 · 100%

Who called

The number's block is assigned to Qwest Corporation in Denver, CO.

Is it a debt collector?

Nothing says it is: its one complaint doesn't describe debt collection.

Nearby numbers in 720-304

58 numbers in 720-304 have 63 FTC complaints between them (56% robocalls), 1 of them about (720) 304-3539. The commonest categories in the block: Medical & prescriptions (17%), Home improvement & cleaning (13%).

The closest reported numbers on either side of (720) 304-3539, in number order.

All reported numbers in 720-304 →

Location

Location of the number block
Denver, CO, USA
Block assigned to
Qwest Corporation

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:

Empire, CO (1)

As typed on the FTC form, with spelling variants merged; complaints without a city aren't counted.

Area code 720: where it is, time zone, spam calls →

Searches on Canadial

Loading…

Real visits to this page, counted once per visitor per day.

Did (720) 304-3539 call you?

Loading…

Answers from visitors, one per person per month (asked at the top of the page).

Report (720) 304-3539

Tell others what the call was about. Reports appear on this page; no account needed.

Recent community reports

No community reports yet. Be the first to describe this call.

What to do

Questions about (720) 304-3539

Who called me from (720) 304-3539?
No complaint names the caller. The number is in a block assigned to Qwest Corporation in Denver, CO (NANPA, Nov 3, 2026); numbers can move between carriers, so the caller's provider may differ.
Is (720) 304-3539 a scam?
Canadial rates it low risk, from 1 complaint, latest Feb 7, 2024.
Is (720) 304-3539 a debt collector or collection agency?
Nothing says it is: its one complaint doesn't describe debt collection.
Should I call (720) 304-3539 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) 304-3539 been reported?
1 complaint to the U.S. FTC's Do Not Call registry on Feb 7, 2024.

Data updated: FTC complaints through Nov 13, 2026; numbering records as of Nov 3, 2026; community reports live. How this page is built.