(303) 635-2011
Denver, CO
(303) 635-2011 is reported as unwanted: 2 FTC complaints and 1 FCC complaint.
- No FTC complaints dated in the 30 days to Nov 13, 2026, 1 in the 90 days before.
- No new complaints since Jul 29, 2026 (FTC data through Nov 13, 2026).
- More FTC complaints than 89% of the 26,440 numbers with FTC complaints in area code 303.
- No number in the 303-635 block has more complaints; 56 numbers there have FTC complaints.
Complaint history
2 FTC complaints between Mar 30, 2026 and Jul 29, 2026.
The FTC complaints came in 2 of the 5 months from Mar 2026 to Jul 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
1 complaint to the U.S. Federal Communications Commission on Mar 30, 2026.
The complainant heard a live person. They filed it as unwanted calls (1). Complainants were in Colorado (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.
What callers claimed
Complaint categories chosen by FTC complainants:
- Not specified / other 2 · 100%
Who called
The number's block is assigned to Qwest Corporation in Denver, CO.
Is it a debt collector?
Nothing says it is: none of its 3 complaints describe debt collection.
Nearby numbers in 303-635
56 numbers in 303-635 have 59 FTC complaints between them (63% robocalls), 2 of them about (303) 635-2011. The commonest categories in the block: Dropped call or no message (17%), Home improvement & cleaning (14%), Energy, solar & utilities (8%).
The closest reported numbers on either side of (303) 635-2011, in number order.
When the calls came
Time of day of 2 calls:
Day of the week of 2 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
- 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.
Both 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 2 · 100%
Complainants' cities:
Longmont, 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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Report (303) 635-2011
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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 (303) 635-2011
- Who called me from (303) 635-2011?
- 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 (303) 635-2011 a scam?
- Canadial rates it medium risk, from 3 complaints, latest Jul 29, 2026.
- Is (303) 635-2011 a debt collector or collection agency?
- Nothing says it is: none of its 3 complaints describe debt collection.
- Should I call (303) 635-2011 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 (303) 635-2011 been reported?
- 2 complaints to the U.S. FTC's Do Not Call registry between Mar 30, 2026 and Jul 29, 2026 and 1 complaint to the U.S. FCC on Mar 30, 2026.
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.