Put Robocallers Out of Business
YouMail blocks robocalls and notifies the authorities.
September 2021 Colorado Robocall Data
Calls Placed
62.6 Million
arrow_circle_down
(-3.9% MoM)
Per Day
2.1M
Per Hour
87.0K
Per Second
24.2
Avg. Calls Per Person
10.9
arrow_circle_down
(-3.9% MoM)
Per Day
2.1M
Per Hour
87.0K
Per Second
24.2
Avg. Calls Per Person
10.9
Top 25 Robocallers to Colorado in September 2021
| Robocaller | Place of Origin | Carrier | Caller ID | Caller Type | |
|---|---|---|---|---|---|
| 1. | 210-520-1454 | San Antonio, TX | AT&T | Chase | Debt Collector |
| 2. | 210-520-0457 | San Antonio, TX | AT&T | Chase | Bank/Credit Card Payment Reminder |
| 3. | 800-984-1588 | Toll Free | Toll Free | Quicken Loans | Mortgage Loan Spam |
| 4. | 720-330-2195 | Aurora, CO | Level 3 Communications | Prison Call Consent | Prison Call Consent |
| 5. | 386-518-2777 | Alachua, FL | Level 3 Communications | Google Listing Scam | Google Listing Scam |
| 6. | 800-942-3767 | Toll Free | Twilio | Aesop | Substitute Teacher Alert |
| 7. | 888-934-6489 | Toll Free | Toll Free | Comcast | Customer Call |
| 8. | 907-308-7435 | Invalid Number | Bandwidth CLEC - Syniverse | Scam Likely | Unknown Robocaller |
| 9. | 888-373-1969 | Toll Free | Toll Free | Fraud Alert | Fraud Alert |
| 10. | 720-821-0631 | Invalid Number | Inteliquent | Medicare Insurance Spam | Medicare Insurance Spam |
| 11. | 813-584-3695 | Tampa, FL | Teleport Communications | Financial Customer Call | Financial Customer Call |
| 12. | 602-221-3938 | Phoenix, AZ | Teleport Communications | Financial Customer Call | Financial Customer Call |
| 13. | 303-692-2728 | Denver, CO | CenturyLink | Flu Shot Reminder | Flu Shot Reminder |
| 14. | 877-258-4825 | Toll Free | Toll Free | Blood Donation Request | Blood Donation Request |
| 15. | 480-550-3216 | Phoenix, AZ | CenturyLink | Telemarketing | Telemarketing |
| 16. | 303-658-9645 | Denver, CO | Comcast | Liberty Mutual Insurance | Unknown Robocaller |
| 17. | 720-580-3868 | Keenesburg, CO | Bandwidth.com CLEC, LLC | Scam Likely | Unknown Robocaller |
| 18. | 605-333-6299 | Sioux Falls, SD | Airus, Inc. | Rushmore Service Center, LLC | Debt Collector |
| 19. | 719-359-4877 | Colorado Springs, CO | Level 3 Communications | Travel Scam | Unknown Robocaller |
| 20. | 877-884-0472 | Toll Free | Toll Free | loanDepot | Mortgage Loan Spam |
| 21. | 888-899-6650 | Toll Free | Toll Free | Transworld Systems | Debt Collector |
| 22. | 833-362-0395 | Toll Free | Toll Free | Call Alert | Unknown Robocaller |
| 23. | 970-323-2611 | Olathe, CO | Inteliquent | (970) 323-2611 | Medicare Insurance Spam |
| 24. | 855-330-8653 | Toll Free | Toll Free | Microsoft Sign-In Verification | Sign-In Verification |
| 25. | 719-350-6835 | Stratton, CO | Inteliquent | Medicare Insurance Spam | Medicare Insurance Spam |
Robocalls by Category
YouMail's Top 100 Robocallers
See which numbers are the highest volume robocallers!How does the YouMail Robocall Index™ Work?
The YouMail Robocall Index™ estimates monthly robocall volume in the US, as well as in various regions, and highlights the worst offenders. The index works by extrapolating the data collected from the many tens of millions of calls made each month to YouMail users.Working on a robocall story? We can help!
We're the robocall experts. We have an unbelievable amount of data and insight and we just love talking about how to stop robocalls.
If you're working on a story and need insight from the experts, we'd love to hear from you.
Thank you for contacting us. We'll be in touch shortly.
Getting Harassed by Robocalls?
Try YouMail's reverse phone lookup in our community directory!
It's the place where millions of YouMailers go to search for and report nuisance phone numbers.