(303) 238-5366

6 FTC complaints on Oct 21, 2023.

All 6 FTC complaints are about calls in Oct 2023.

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 6 FTC complaints (50%) are about dropped calls or silence, against 15% of the 31,961 FTC complaints about all numbers in area code 303.

Complaint categories chosen by FTC complainants:

• Dropped call or no message 3 · 50%
• Not specified / other 2 · 33%
• Computer & technical support 1 · 17%

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

Time of day of 6 calls; most often the 2 p.m. hour (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 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.

None of 6 complainants have area code 303, the number's own. The calls reached people elsewhere, so this isn't a local caller to them.

Area code 303: where it is, time zone, spam calls →

• 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.

Who called me from (303) 238-5366?

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 Qwest Corporation in Denver, CO (NANPA, Nov 3, 2026); numbers can move between carriers, so the caller's provider may differ.

Is (303) 238-5366 a scam?

Canadial rates it low risk, from 6 complaints, latest Oct 21, 2023, 33% robocalls.

Is (303) 238-5366 a debt collector or collection agency?

Nothing says it is: none of its 6 complaints describe debt collection.

Should I call (303) 238-5366 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) 238-5366 been reported?

6 complaints to the U.S. FTC's Do Not Call registry on Oct 21, 2023.

What do callers from (303) 238-5366 say?

3 of its 6 FTC complaints (50%) are about dropped calls or silence, against 15% of the 31,961 FTC complaints about all numbers in area code 303.

When does (303) 238-5366 call?

In FTC complaints, the most common time was the 2 p.m. hour (2 of 6 calls with a time); the most common day was Saturday (6 of 6).