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December 2020 San Francisco, CA Robocall Data

The robocall sample size to San Francisco, CA in December 2020 is not large enough to provide conclusive data. The area received robocalls, but precise impact data meeting YouMail's standards can not be determined.



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Top 20 Robocallers to San Francisco, CA in December 2020

Robocaller Place of Origin Caller ID Caller Type
1. 800-633-4237 Toll Free Call Alert Call Alert
2. 213-924-6361 Burbank, CA Messaging System Calling Unknown Robocaller
3. 657-235-5964 Santa Ana, CA TAX OPTIMA Unknown Robocaller
4. 408-310-4984 Morgan Hill, CA SUNPOWER Unknown Robocaller
5. 510-440-8195 Fremont, CA Walgreens Prescription Refill Reminder
6. 628-270-1884 Invalid Number Scam Likely Unknown Robocaller
7. 714-294-0001 Anaheim, CA Scam Likely Unknown Robocaller
8. 888-685-1279 Toll Free Payday Loan Scam Payday Loan Scam
9. 910-713-1163 Oak Island, NC Loan Approved Scam Loan Approved Scam
10. 602-715-0069 Phoenix, AZ Unknown Unknown Robocaller
11. 734-743-2626 Detroit, MI Escalant Unknown Robocaller
12. 855-646-2501 Toll Free Scam Likely Unknown Robocaller
13. 916-720-2536 Sacramento, CA Debt Collector Debt Collector
14. 980-343-1591 Charlotte, NC Student Absence Alert School Announcement
15. 240-371-9089 Brentwood, MD Social Security Scam Social Security Scam
16. 404-800-2111 Atlanta, GA Call Alert Call Alert
17. 510-844-8166 Oakland, CA Health Insurance Spam Health Insurance Spam
18. 605-981-3438 Invalid Number Generic Scammer Generic Scammer
19. 714-790-6558 Orange, CA Scam Likely Unknown Robocaller
20. 718-402-0415 Bronx, NY Financial Customer Call Financial Customer Call

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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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