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September 2021 Denver, CO Robocall Data

Calls Placed
38.9 Million
(-3.3% MoM)
Per Day
Per Hour
Per Second
Avg. Calls Per Person

See historical robocalls by

Top 25 Robocallers to Denver, CO 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. 386-518-2777 Alachua, FL Level 3 Communications Google Listing Scam Google Listing Scam
4. 888-373-1969 Toll Free Toll Free Fraud Alert Fraud Alert
5. 720-330-2195 Aurora, CO Level 3 Communications Prison Call Consent Prison Call Consent
6. 720-821-0631 Invalid Number Inteliquent Medicare Insurance Spam Medicare Insurance Spam
7. 813-584-3695 Tampa, FL Teleport Communications Financial Customer Call Financial Customer Call
8. 800-984-1588 Toll Free Toll Free Quicken Loans Mortgage Loan Spam
9. 602-221-3938 Phoenix, AZ Teleport Communications Financial Customer Call Financial Customer Call
10. 907-308-7435 Invalid Number Bandwidth CLEC - Syniverse Scam Likely Unknown Robocaller
11. 303-658-9645 Denver, CO Comcast Liberty Mutual Insurance Unknown Robocaller
12. 303-692-2728 Denver, CO CenturyLink Flu Shot Reminder Flu Shot Reminder
13. 720-580-3868 Keenesburg, CO Bandwidth.com CLEC, LLC Scam Likely Unknown Robocaller
14. 888-934-6489 Toll Free Toll Free Comcast Customer Call
15. 877-258-4825 Toll Free Toll Free Blood Donation Request Blood Donation Request
16. 877-884-0472 Toll Free Toll Free loanDepot Mortgage Loan Spam
17. 833-362-0395 Toll Free Toll Free Call Alert Unknown Robocaller
18. 800-942-3767 Toll Free Twilio Aesop Substitute Teacher Alert
19. 717-231-7540 Harrisburg, PA Level 3 Communications Political Spam Political Spam
20. 866-625-7291 Toll Free Toll Free Fingerhut Debt Collector
21. 605-333-6299 Sioux Falls, SD Airus, Inc. Rushmore Service Center, LLC Debt Collector
22. 800-866-2528 Toll Free Toll Free Medical Customer Call Debt Collector
23. 720-844-5524 Invalid Number Level 3 Communications Unknown Unknown Robocaller
24. 720-501-6291 Denver, CO Inteliquent Chase Substitute Teacher Alert
25. 720-360-0991 Denver, CO Inteliquent Prison Prepaid Call Prison Prepaid Call

Robocalls by Category

YouMail's Top 100 Robocallers

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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.

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