(720) 421-1513
Denver, CO
(720) 421-1513 is likely a robocall: 13 FTC complaints, 85% recorded messages, mostly about dropped calls or silence.
- No new complaints since May 8, 2023 (FTC data through Nov 13, 2026).
- More FTC complaints than 99% of the 31,610 numbers with FTC complaints in area code 720.
- No number in the 720-421 block has more complaints; 13 numbers there have FTC complaints.
Complaint history
13 FTC complaints between Nov 14, 2022 and May 8, 2023.
The FTC complaints came in 6 of the 7 months from Nov 2022 to May 2023; the busiest was Mar 2023, with 6 of 13.
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
9 of its 13 FTC complaints (69%) are about dropped calls or silence, against 16% of the 40,642 FTC complaints about all numbers in area code 720.
Complaint categories chosen by FTC complainants:
- Dropped call or no message 9 · 69%
- Not specified / other 2 · 15%
- Medical & prescriptions 1 · 8%
- Work from home & other ways to make money 1 · 8%
Who called
The number's block is assigned to T-Mobile USA, Inc. in Denver, CO.
Is it a debt collector?
Nothing says it is: none of its 13 complaints describe debt collection.
Nearby numbers in 720-421
The closest reported numbers on either side of (720) 421-1513, in number order.
All reported numbers in 720-421 →When the calls came
Time of day of 12 calls; most often the 11 a.m. hour (4):
Day of the week of 13 calls; most often Monday (5):
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
- T-Mobile USA, Inc.
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.
1 of 13 complainants has area code 720, the number's own. The calls reached people elsewhere, so this isn't a local caller to them.
Most FTC complainants were in Colorado (10 of 13); others in Louisiana (1), North Carolina (1) and Texas (1). 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 10 · 77%
- Louisiana 1 · 8%
- North Carolina 1 · 8%
Show 1 more states Show fewer
- Texas 1 · 8%
Complainants' cities:
Greensboro, NC (1) · New Orleans, LA (1)
As typed on the FTC form, with spelling variants merged; complaints without a city aren't counted.
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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 (720) 421-1513
- Who called me from (720) 421-1513?
- 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 T-Mobile USA, Inc. in Denver, CO (NANPA, Nov 3, 2026); numbers can move between carriers, so the caller's provider may differ.
- Is (720) 421-1513 a scam?
- Canadial rates it medium risk, from 13 complaints, latest May 8, 2023, 85% robocalls.
- Is (720) 421-1513 a debt collector or collection agency?
- Nothing says it is: none of its 13 complaints describe debt collection.
- Should I call (720) 421-1513 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 (720) 421-1513 been reported?
- 13 complaints to the U.S. FTC's Do Not Call registry between Nov 14, 2022 and May 8, 2023.
- What do callers from (720) 421-1513 say?
- 9 of its 13 FTC complaints (69%) are about dropped calls or silence, against 16% of the 40,642 FTC complaints about all numbers in area code 720.
- When does (720) 421-1513 call?
- In FTC complaints, the most common time was the 11 a.m. hour (4 of 12 calls with a time); the most common day was Monday (5 of 13).
Data updated: FTC complaints through Nov 13, 2026; numbering records as of Nov 3, 2026; community reports live. How this page is built.