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September 2023 California Robocall Data
Calls Placed
352.9 Million
arrow_circle_down
(-17.2% MoM)
Per Day
11.8M
Per Hour
490.1K
Per Second
136.2
Avg. Calls Per Person
7.5
arrow_circle_down
(-17.2% MoM)
Per Day
11.8M
Per Hour
490.1K
Per Second
136.2
Avg. Calls Per Person
7.5
Top 25 Robocallers to California in September 2023
| Robocaller | Place of Origin | Carrier | Caller ID | Caller Type | |
|---|---|---|---|---|---|
| 1. | 713-568-6986 | Houston, TX | Level 3 Communications | Global Tel Link | Prison Prepaid Call |
| 2. | 213-241-8100 | Los Angeles, CA | Teleport Communications | School Announcement | School Announcement |
| 3. | 800-955-6600 | Toll Free | Bandwidth CLEC - Syniverse | Capital One | Bank/Credit Card Payment Reminder |
| 4. | 844-206-9035 | Toll Free | Toll Free | Spectrum | Payment Reminder |
| 5. | 619-297-0304 | San Diego, CA | Inteliquent | Messaging System Calling | Messaging System Calling |
| 6. | 800-942-3767 | Toll Free | Twilio | Aesop | Substitute Teacher Alert |
| 7. | 302-255-8000 | Wilmington, DE | MCI Metro ATS | Financial Customer Call | Financial Customer Call |
| 8. | 866-914-5806 | Toll Free | Toll Free | Spectrum | Customer Call |
| 9. | 833-571-3479 | Toll Free | Toll Free | Financial Customer Call | Personal Loan Spam |
| 10. | 480-550-3210 | Phoenix, AZ | CenturyLink | Discover Card | Financial Customer Call |
| 11. | 877-647-8552 | Toll Free | Toll Free | Wells Fargo | Financial Customer Call |
| 12. | 855-844-0114 | Toll Free | Toll Free | Synchrony Bank | Financial Customer Call |
| 13. | 800-743-5000 | Toll Free | Toll Free | Service Payment Reminder | Service Payment Reminder |
| 14. | 310-898-6107 | Compton, CA | Inteliquent | School Announcement | Substitute Teacher Alert |
| 15. | 614-758-2329 | Columbus, OH | CenturyLink | Discover Card | Credit Card Debt Collector |
| 16. | 866-796-1592 | Toll Free | Toll Free | Synchrony Bank | Financial Customer Call |
| 17. | 877-255-5923 | Toll Free | Toll Free | Financial Customer Call | Financial Customer Call |
| 18. | 213-558-5138 | Invalid Number | Unknown | Unknown | Unknown Robocaller |
| 19. | 312-818-5250 | Chicago, IL | Inteliquent | Debt Collector | Debt Collector |
| 20. | 888-934-6489 | Toll Free | Toll Free | Comcast | Customer Call |
| 21. | 833-853-5638 | Toll Free | Twilio | Small Business Administration | Loan Payment Reminder |
| 22. | 480-481-1848 | Phoenix, AZ | CenturyLink | Discover Card | Financial Customer Call |
| 23. | 832-334-8086 | Cypress, TX | Verizon Wireless | Unknown | Unknown Robocaller |
| 24. | 908-829-0335 | Belle Mead, NJ | Bandwidth.com CLEC, LLC | Debt Collector | Debt Collector |
| 25. | 619-937-3483 | San Diego, CA | Bandwidth.com CLEC, LLC | Debt Collector | Debt Collector |
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!
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