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October 2021 San Francisco Bay Area, CA Robocall Data

Calls Placed
72.7 Million
(-3.6% MoM)
Per Day
Per Hour
Per Second
Avg. Calls Per Person

See historical robocalls by

Top 25 Robocallers to San Francisco Bay Area, CA in October 2021

Robocaller Place of Origin Carrier Caller ID Caller Type
1. 669-266-6750 San Jose, CA Bandwidth.com CLEC, LLC Prison Prepaid Call Prison Prepaid Call
2. 800-528-4800 Toll Free Toll Free American Express Credit Card Debt Collector
3. 713-568-6986 Houston, TX Level 3 Communications Global Tel Link Timeshare Scam
4. 888-934-6489 Toll Free Toll Free Comcast Customer Call
5. 800-374-9700 Toll Free Toll Free Citibank Fake Fraud Alert Scam
6. 800-691-8755 Toll Free Toll Free Mortgage Loan Spam Financial Customer Call
7. 562-401-5940 Downey, CA Frontier Scheduling Reminder Service Alert
8. 510-502-0533 Oakland, CA T-Mobile Conscious Mindz Unknown Robocaller
9. 800-743-5000 Toll Free Toll Free Power Outage Alert Service Payment Reminder
10. 800-743-5002 Toll Free Zipwhip Pacific Gas and Electric Power Outage Alert
11. 628-432-3609 Invalid Number Inteliquent Unknown Unknown Robocaller
12. 800-942-3767 Toll Free Twilio Aesop Substitute Teacher Alert
13. 877-586-9367 Toll Free Toll Free Western Dental Customer Call
14. 510-992-3228 Oakland, CA Google Voice Religious Spam Fax Delivery Scam
15. 833-708-0542 Toll Free Toll Free Sunrise Credit Services Unknown Robocaller
16. 415-366-5025 Oakland, CA Bandwidth.com CLEC, LLC Unknown Unknown Robocaller
17. 707-304-5853 Santa Rosa, CA Unknown Unknown Unknown Robocaller
18. 855-419-7365 Toll Free Toll Free AT&T Customer Call
19. 628-432-3675 Invalid Number Inteliquent Unknown Unknown Robocaller
20. 408-916-3967 San Jose, CA Level 3 Communications You've made too many calls Unknown Robocaller
21. 844-691-0028 Toll Free Toll Free Lending Club Financial Customer Call
22. 925-248-9529 San Ramon, CA Bandwidth.com CLEC, LLC Prison Prepaid Call Prison Call Consent
23. 707-398-2280 Fairfield, CA Bandwidth.com CLEC, LLC Global Tel Link Prison Prepaid Call
24. 707-759-3805 Fairfield, CA Comcast Generic Robocaller Generic Robocaller
25. 669-336-5712 Invalid Number Inteliquent 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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