Put Robocallers Out of Business

YouMail blocks robocalls and notifies the authorities.

150,000+ ratings

January 2024 Colorado Robocall Data

Calls Placed
58.9 Million
arrow_circle_up
(11.2% MoM)
Per Day
1.9M
Per Hour
79.1K
Per Second
22.0
Avg. Calls Per Person
10.3

See historical robocalls by

Top 25 Robocallers to Colorado in January 2024

Robocaller Place of Origin Carrier Caller ID Caller Type
1. 847-426-9203 Dundee, IL Ameritech Unknown Bank Debt Collector
2. 210-520-1454 San Antonio, TX AT&T Unknown Debt Collector
3. 800-306-6062 Toll Free Toll Free Specialized Loan Servicing Medical Test Results
4. 800-955-6600 Toll Free Bandwidth CLEC - Syniverse Capital One Bank/Credit Card Payment Reminder
5. 210-520-0146 San Antonio, TX AT&T Scam Likely Bank/Credit Card Payment Reminder
6. 800-942-3767 Toll Free Twilio Aesop Substitute Teacher Alert
7. 888-934-6489 Toll Free Toll Free Comcast Customer Call
8. 800-919-8366 Toll Free Toll Free Messaging System Calling Unknown Robocaller
9. 847-426-9138 Dundee, IL Ameritech Jpmorgan Chase Financial Customer Call
10. 866-532-0423 Toll Free Toll Free Citibank Bank/Credit Card Payment Reminder
11. 614-890-1025 Westerville, OH Teleport Communications Generic Robocaller Unknown Robocaller
12. 210-520-0457 San Antonio, TX AT&T Call Alert Bank/Credit Card Payment Reminder
13. 970-650-3557 Montrose, CO Inteliquent Bank Debt Collector Bank Debt Collector
14. 877-488-3538 Toll Free Toll Free Citibank Bank/Credit Card Payment Reminder
15. 866-680-8628 Toll Free Toll Free Credit Card Issues Scam Credit Card Issues Scam
16. 303-982-0741 Golden, CO Level 3 Communications School Announcement School Announcement
17. 310-567-8225 Gardena, CA Verizon Wireless Unknown Unknown Robocaller
18. 720-340-3643 Longmont, CO Bandwidth.com CLEC, LLC POST DENVER Unknown Robocaller
19. 866-456-0677 Toll Free Toll Free Financial Customer Call Bank/Credit Card Payment Reminder
20. 888-373-1969 Toll Free Toll Free Financial Customer Call Financial Customer Call
21. 719-988-2084 LA Veta, CO Inteliquent Credit One Bank Unknown Robocaller
22. 970-508-4899 Durango, CO Bandwidth.com CLEC, LLC Blood Donation Request Blood Donation Request
23. 833-541-0148 Toll Free Toll Free Financial Customer Call Financial Customer Call
24. 407-732-2414 Sanford, FL MCI Metro ATS Unknown Credit Card Debt Collector
25. 716-444-4444 Buffalo, NY Bandwidth.com CLEC, LLC Telemarketing Unknown Robocaller

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.