(303) 963-7200
Denver, CO
(303) 963-7200 is likely a robocall: 67 FTC complaints and 2 FCC complaints, recorded messages in 52% of the FTC complaints.
- 1 FTC complaint dated in the 30 days to Nov 13, 2026, 1 in the 90 days before.
- More FTC complaints than 99% of the 26,440 numbers with FTC complaints in area code 303.
- No number in the 303-963 block has more complaints; 79 numbers there have FTC complaints.
Complaint history
67 FTC complaints between Jun 6, 2022 and Oct 19, 2026.
The FTC complaints came in 31 of the 53 months from Jun 2022 to Oct 2026; the busiest was Aug 2022, with 9 of 67.
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
2 complaints to the U.S. Federal Communications Commission between Apr 12, 2018 and Mar 30, 2022; 1 gave it as the number to call back rather than the caller ID.
Of the 2 complainants, 1 heard a live person and 1 heard a recorded message. They filed them as unwanted calls (2). Complainants were in Arizona (1) and Maine (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
12 of its 67 FTC complaints (18%) 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:
- Not specified / other 40 · 60%
- Dropped call or no message 12 · 18%
- Home improvement & cleaning 10 · 15%
- Calls pretending to be government, businesses, or family and friends 5 · 7%
Who called
The number's block is assigned to Level 3 Communications, LLC in Denver, CO.
Is it a debt collector?
Nothing says it is: none of its 69 complaints describe debt collection.
Nearby numbers in 303-963
The closest reported numbers on either side of (303) 963-7200, in number order.
When the calls came
Time of day of 61 calls; most often the 10 a.m. hour (11):
Day of the week of 67 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
- 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.
5 of 67 complainants have area code 303, the number's own. The calls reached people elsewhere, so this isn't a local caller to them.
Most FTC complainants were in California (9 of 67); others in Oregon (6), Illinois (5) and Colorado (4) and more. Statewide, California ranks #26 of the 50 states and DC for Do Not Call complaints per resident: 283,769 in the last 12 months, 721 per 100,000 people. Spam calls in California.
Where FTC complainants were located (U.S. states):
- California 9 · 13%
- Oregon 6 · 9%
- Illinois 5 · 7%
Show 3 more states Show fewer
- Colorado 4 · 6%
- Georgia 4 · 6%
- North Carolina 4 · 6%
Complainants' cities (most common):
Des Plaines, IL (3) · Damascus, OR (2) · Flagstaff, AZ (2) · Portland, OR (2) · Akron, NY (1)
As typed on the FTC form, with spelling variants merged; complaints without a city aren't counted.
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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) 963-7200
- Who called me from (303) 963-7200?
- 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 Level 3 Communications, LLC in Denver, CO (NANPA, Nov 3, 2026); numbers can move between carriers, so the caller's provider may differ.
- Is (303) 963-7200 a scam?
- Canadial rates it high risk, from 69 complaints, latest Oct 19, 2026, robocalls in 52% of the FTC complaints.
- Is (303) 963-7200 a debt collector or collection agency?
- Nothing says it is: none of its 69 complaints describe debt collection.
- Should I call (303) 963-7200 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) 963-7200 been reported?
- 67 complaints to the U.S. FTC's Do Not Call registry between Jun 6, 2022 and Oct 19, 2026 and 2 complaints to the U.S. FCC between Apr 12, 2018 and Mar 30, 2022.
- What do callers from (303) 963-7200 say?
- 12 of its 67 FTC complaints (18%) are about dropped calls or silence, against 15% of the 31,961 FTC complaints about all numbers in area code 303.
- When does (303) 963-7200 call?
- In FTC complaints, the most common time was the 10 a.m. hour (11 of 61 calls with a time).
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.