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September 2020 California Robocall Data

Calls Placed
372.6 Million
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(4.3% MoM)
Per Day
12.4M
Per Hour
517.5K
Per Second
143.8
Avg. Calls Per Person
7.9

See historical robocalls by

Top 20 Robocallers to California in September 2020

Robocaller Place of Origin Carrier Caller ID Caller Type
1. 213-347-5682 Los Angeles, CA Bandwidth.com CLEC, LLC Los Angeles Unified School District School Announcement
2. 713-568-6986 Houston, TX Level 3 Communications Prison Call Consent Prison Call Consent
3. 844-206-8573 Toll Free Toll Free Spectrum Service Payment Reminder
4. 877-358-4998 Toll Free Toll Free Financial Customer Call Financial Customer Call
5. 866-914-5806 Toll Free Toll Free Spectrum Service Payment Reminder
6. 877-647-8552 Toll Free Toll Free Wells Fargo Bank/Credit Card Payment Reminder
7. 713-981-0098 Houston, TX AT&T LA County Jail Timeshare Scam
8. 855-885-5834 Toll Free Toll Free Synchrony Bank Bank/Credit Card Payment Reminder
9. 800-947-5096 Toll Free Toll Free AT&T Service Payment Reminder
10. 888-934-6489 Toll Free Toll Free Comcast Customer Call
11. 619-333-2578 San Diego, CA Inteliquent Substitute Teacher Alert Substitute Teacher Alert
12. 800-942-3767 Toll Free Twilio Aesop Substitute Teacher Alert
13. 866-419-2780 Toll Free Toll Free Synchrony Bank Bank/Credit Card Payment Reminder
14. 206-539-0456 Invalid Number Inteliquent Zillow Employee Notification
15. 562-401-5940 Downey, CA Frontier Prescription Shipped Alert Service Alert
16. 805-630-2581 Thousand Oaks, CA Verizon Wireless Unknown Unknown Robocaller
17. 855-875-4065 Toll Free Toll Free Credence Resource Management Unknown Robocaller
18. 888-222-4227 Toll Free Toll Free Santander Bank/Credit Card Payment Reminder
19. 877-586-9368 Toll Free Toll Free Western Dental Customer Call
20. 877-351-7469 Toll Free Toll Free Showing Time General Alert

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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