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Top 20 Robocallers to San Francisco Bay Area, CA in May 2021

Robocaller Place of Origin Carrier Caller ID Caller Type
1. 888-908-7930 Toll Free Twilio Fake Fraud Alert Scam Fake Fraud Alert Scam
2. 510-502-0533 Oakland, CA T-Mobile Conscious Mindz Unknown Robocaller
3. 925-248-9529 San Ramon, CA Bandwidth.com CLEC, LLC Global Tel Link Prison Call Consent
4. 713-568-6986 Houston, TX Level 3 Communications Global Tel Link Timeshare Scam
5. 800-528-4800 Toll Free Toll Free American Express Credit Card Debt Collector
6. 888-934-6489 Toll Free Toll Free Comcast Customer Call
7. 800-691-8755 Toll Free Toll Free Quicken Loans Financial Customer Call
8. 877-647-8552 Toll Free Toll Free Wells Fargo Bank/Credit Card Payment Reminder
9. 877-469-6548 Toll Free Toll Free Citibank Bank/Credit Card Payment Reminder
10. 800-743-5000 Toll Free Toll Free Customer Survey Service Payment Reminder
11. 866-890-3387 Toll Free Toll Free First Premier Bank Bank/Credit Card Payment Reminder
12. 562-401-5940 Downey, CA Frontier Kaiser Permanente Service Alert
13. 800-721-8511 Toll Free Toll Free Quicken Loans Financial Customer Call
14. 707-980-2647 Vallejo, CA T-Mobile REGINA LEDESMA Unknown Robocaller
15. 800-942-3767 Toll Free Toll Free Aesop Substitute Teacher Alert
16. 205-947-0178 Invalid Number Inteliquent Google Voice Call Answer Google Voice Call Answer
17. 866-419-2780 Toll Free Toll Free Synchrony Bank Bank/Credit Card Payment Reminder
18. 510-992-3228 Oakland, CA Google Voice Religious Spam Fax Delivery Scam
19. 510-677-9380 Castro Valley, CA T-Mobile J LOUISVILLE-TA Unknown Robocaller
20. 510-231-1100 Richmond, CA Bandwidth.com CLEC, LLC School Announcement Order Followup

Robocalls by Category

How the YouMail Robocall Index™ Works

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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