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January 2021 San Francisco Bay Area, CA Robocall Data

Calls Placed
62.8 Million
(-3.1% MoM)
Per Day
Per Hour
Per Second
Avg. Calls Per Person

See historical robocalls by

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

Robocaller Place of Origin Carrier Caller ID Caller Type
1. 877-647-8552 Toll Free Toll Free Wells Fargo Bank/Credit Card Payment Reminder
2. 562-401-5940 Downey, CA Frontier Kaiser Permanente Service Alert
3. 888-934-6489 Toll Free Toll Free Comcast Customer Call
4. 619-305-1819 Invalid Number teli Communications Unknown Solar Spam
5. 855-885-5834 Toll Free Toll Free Synchrony Bank Bank/Credit Card Payment Reminder
6. 206-539-0456 Invalid Number Inteliquent Zillow Employee Notification
7. 713-568-6986 Houston, TX Level 3 Communications Unknown Prison Call Consent
8. 707-980-2647 Vallejo, CA T-Mobile REGINA LEDESMA Unknown Robocaller
9. 541-407-1299 Lakeview, OR Inteliquent Securus Technologies Prison Prepaid Call
10. 925-248-9529 San Ramon, CA Bandwidth.com CLEC, LLC Global Tel Link Prison Call Consent
11. 866-532-0423 Toll Free Toll Free Citibank Bank/Credit Card Payment Reminder
12. 800-743-5000 Toll Free Toll Free Power Outage Alert Service Payment Reminder
13. 408-703-6437 San Jose, CA Bandwidth.com CLEC, LLC Messaging System Calling Messaging System Calling
14. 213-279-1473 Invalid Number Unknown Unknown Unknown Robocaller
15. 510-992-3228 Oakland, CA Google Voice Religious Spam Fax Delivery Scam
16. 949-625-6239 Ladera Ranch, CA Level 3 Communications Scam Likely Unknown Robocaller
17. 408-484-7998 Sunnyvale, CA teli Communications Scam Likely Unknown Robocaller
18. 800-528-4800 Toll Free Toll Free Fraud Alert Credit Card Debt Collector
19. 650-644-1374 Palo Alto, CA Bandwidth.com CLEC, LLC Home Mortgage Scam Home Mortgage Scam
20. 510-231-1100 Richmond, CA Bandwidth.com CLEC, LLC West Contra Costa Unified School District Order Followup

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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