(303) 536-6115
Hudson, CO
(303) 536-6115 has 2 FTC complaints.
- No new complaints since Jun 10, 2024 (FTC data through Nov 13, 2026).
- More FTC complaints than 89% of the 26,440 numbers with FTC complaints in area code 303.
- Only 2 numbers in the 303-536 block have more complaints, of 82 there with FTC complaints.
Complaint history
2 FTC complaints on Jun 10, 2024.
Both FTC complaints are about calls in Jun 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 2 · 100%
Who called
The number's block is assigned to Level 3 Communications, LLC in Hudson, CO.
Is it a debt collector?
Nothing says it is: none of its 2 complaints describe debt collection.
Nearby numbers in 303-536
82 numbers in 303-536 have 99 FTC complaints between them (45% robocalls), 2 of them about (303) 536-6115. The commonest categories in the block: Dropped call or no message (13%), Medical & prescriptions (13%), Calls pretending to be government, businesses, or family and friends (6%).
The closest reported numbers on either side of (303) 536-6115, in number order.
When the calls came
Day of the week of 2 calls; most often Monday (2):
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
- Hudson, 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.
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:
Boulder, CO (2)
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) 536-6115
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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) 536-6115
- Who called me from (303) 536-6115?
- No complaint names the caller. The number is in a block assigned to Level 3 Communications, LLC in Hudson, CO (NANPA, Nov 3, 2026); numbers can move between carriers, so the caller's provider may differ.
- Is (303) 536-6115 a scam?
- Canadial rates it low risk, from 2 complaints, latest Jun 10, 2024.
- Is (303) 536-6115 a debt collector or collection agency?
- Nothing says it is: none of its 2 complaints describe debt collection.
- Should I call (303) 536-6115 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 (303) 536-6115 been reported?
- 2 complaints to the U.S. FTC's Do Not Call registry on Jun 10, 2024.
- When does (303) 536-6115 call?
- In FTC complaints, the most common day was Monday (2 of 2).
Data updated: FTC complaints through Nov 13, 2026; numbering records as of Nov 3, 2026; community reports live. How this page is built.