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March 2021 California Robocall Data

Calls Placed
412.1 Million
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(-1.7% MoM)
Per Day
13.3M
Per Hour
553.8K
Per Second
153.8
Avg. Calls Per Person
8.8

See historical robocalls by

Top 20 Robocallers to California in March 2021

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. 844-206-8573 Toll Free Toll Free Spectrum Service Payment Reminder
3. 713-568-6986 Houston, TX Level 3 Communications Global Tel Link Timeshare Scam
4. 877-647-8552 Toll Free Toll Free Wells Fargo Bank/Credit Card Payment Reminder
5. 866-914-5806 Toll Free Toll Free Spectrum Service Payment Reminder
6. 877-358-4998 Toll Free Toll Free PREMIER Bankcard Financial Customer Call
7. 800-942-3767 Toll Free Twilio Aesop Substitute Teacher Alert
8. 805-657-5911 Thousand Oaks, CA Verizon Wireless Unknown Unknown Robocaller
9. 877-351-7469 Toll Free Toll Free Showing Time General Alert
10. 864-422-2300 Greenville, SC Inteliquent SmartFind Express Substitute Teacher Alert
11. 562-401-5940 Downey, CA Frontier Kaiser Permanente Service Alert
12. 855-885-5834 Toll Free Toll Free Synchrony Bank Bank/Credit Card Payment Reminder
13. 888-934-6489 Toll Free Toll Free Comcast Customer Call
14. 855-376-6191 Toll Free Toll Free School Announcement Student Absence Alert
15. 888-222-4227 Toll Free Toll Free Santander Bank/Credit Card Payment Reminder
16. 866-532-0424 Toll Free Toll Free Citibank Bank/Credit Card Payment Reminder
17. 855-807-9606 Toll Free Toll Free loanDepot Transaction Fee Scam
18. 800-947-5096 Toll Free Toll Free AT&T Service Payment Reminder
19. 713-981-0098 Houston, TX AT&T Unknown Unknown Robocaller
20. 619-725-8081 San Diego, CA Comcast Unknown Unknown Robocaller

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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