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August 2021 San Francisco Bay Area, CA Robocall Data

Calls Placed
71.5 Million
(0.2% 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 August 2021

Robocaller Place of Origin Carrier Caller ID Caller Type
1. 800-528-4800 Toll Free Toll Free American Express Credit Card Debt Collector
2. 510-502-0533 Oakland, CA T-Mobile Conscious Mindz Unknown Robocaller
3. 669-266-6750 San Jose, CA Bandwidth.com CLEC, LLC Global Tel Link Prison Call Payment
4. 713-568-6986 Houston, TX Level 3 Communications Global Tel Link Timeshare Scam
5. 888-934-6489 Toll Free Toll Free Comcast Customer Call
6. 800-691-8755 Toll Free Toll Free Payday Loan Spam Mortgage Loan Spam
7. 916-201-2979 Sacramento, CA Verizon Wireless Bonnie G Maxon Unknown Robocaller
8. 510-927-4276 Oakland, CA Bandwidth.com CLEC, LLC Unknown Unknown Robocaller
9. 916-694-1636 Sacramento, CA Inteliquent Call Alert Call Alert
10. 925-263-6120 Danville, CA Bandwidth.com CLEC, LLC Messaging System Calling Messaging System Calling
11. 800-942-3767 Toll Free Twilio Aesop Substitute Teacher Alert
12. 800-992-3400 Toll Free Toll Free Home Warranty Spam Home Warranty Spam
13. 800-743-5000 Toll Free Toll Free Electric Bill Scam Service Payment Reminder
14. 562-401-5940 Downey, CA Frontier Kaiser Permanente Service Alert
15. 877-586-9367 Toll Free Toll Free Western Dental Customer Call
16. 949-360-4184 Laguna Niguel, CA Pacific Bell Vehicle Warranty Scam Vehicle Warranty Scam
17. 614-758-2315 Columbus, OH CenturyLink Telemarketing Telemarketing
18. 707-709-5032 Calistoga, CA Inteliquent Health Insurance Scam Health Insurance Scam
19. 707-623-1418 Santa Rosa, CA Level 3 Communications Network Capital Funding Corporation Unknown Robocaller
20. 877-770-8065 Toll Free Toll Free AT&T/Direct TV Unknown Robocaller
21. 770-283-1530 Atlanta, GA MCI Metro ATS Synchrony Bank Bank/Credit Card Payment Reminder
22. 614-758-2335 Columbus, OH CenturyLink Credit Repair Spam Telemarketing
23. 916-702-3475 Pleasant Grove, CA Inteliquent Unknown Unknown Robocaller
24. 510-992-3228 Oakland, CA Google Voice Religious Spam Fax Delivery Scam
25. 855-330-8653 Toll Free Toll Free Microsoft Sign-In Verification Sign-In Verification

Robocalls by Category

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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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