Put Robocallers Out of Business
YouMail blocks robocalls and notifies the authorities.
December 2019 San Francisco, CA Robocall Data
The robocall sample size to San Francisco, CA in December 2019 is not large enough to provide conclusive data. The area received robocalls, but precise impact data meeting YouMail's standards can not be determined.
Top 20 Robocallers to San Francisco, CA in December 2019
| Robocaller | Place of Origin | Carrier | Caller ID | Caller Type | |
|---|---|---|---|---|---|
| 1. | 866-803-4839 | Toll Free | Toll Free | Verizon | Customer Call |
| 2. | 877-609-5710 | Toll Free | Toll Free | Citibank | Bank Debt Collector |
| 3. | 877-609-5704 | Toll Free | Toll Free | Citibank | Bank/Credit Card Payment Reminder |
| 4. | 855-876-5347 | Toll Free | Toll Free | SPAM | Unknown Robocaller |
| 5. | 415-639-1421 | Inverness, CA | Inteliquent | CA INVERNESS | Unknown Robocaller |
| 6. | 415-413-1465 | Corte Madera, CA | Inteliquent | Scam Likely | Unknown Robocaller |
| 7. | 415-212-7102 | San Francisco, CA | Inteliquent | Pagerduty | Unknown Robocaller |
| 8. | 628-262-4004 | Invalid Number | MCI Metro ATS | SPAM | Unknown Robocaller |
| 9. | 877-689-8870 | Toll Free | Toll Free | Financial Customer Call | Financial Customer Call |
| 10. | 669-247-0889 | San Jose, CA | Bandwidth.com CLEC, LLC | Unknown | Unknown Robocaller |
| 11. | 224-323-5016 | Arlington Heights, IL | MCI Metro ATS | Walgreens | Prescription Ready Alert |
| 12. | 740-834-1496 | Delaware, OH | Level 3 Communications | Citibank | Bank/Credit Card Payment Reminder |
| 13. | 254-326-1324 | Clifton, TX | Skype | Social Security Scam | Social Security Scam |
| 14. | 317-983-0664 | Indianapolis, IN | Bandwidth.com CLEC, LLC | Scam Likely | Unknown Robocaller |
| 15. | 513-381-0100 | Cincinnati, OH | CBTS Technology Solutions | Telemarketing | Telemarketing |
| 16. | 603-570-4413 | Portsmouth, NH | Freedom Ring Communications, LLC | Ccs Debt Harassment | Unknown Robocaller |
| 17. | 628-225-4766 | Invalid Number | Unknown | Scam Likely | Unknown Robocaller |
| 18. | 800-869-3557 | Toll Free | Toll Free | Wells Fargo | Fraud Alert |
| 19. | 855-802-5150 | Toll Free | Twilio | Telemarketing | Disability Benefits Scam |
| 20. | 877-463-5346 | Toll Free | Toll Free | Sirius XM | Telemarketing |
Robocalls by Category
YouMail's Top 100 Robocallers
See which numbers are the highest volume robocallers!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.Working on a robocall story? We can help!
We're the robocall experts. We have an unbelievable amount of data and insight and we just love talking about how to stop robocalls.
If you're working on a story and need insight from the experts, we'd love to hear from you.
Thank you for contacting us. We'll be in touch shortly.
Getting Harassed by Robocalls?
Try YouMail's reverse phone lookup in our community directory!
It's the place where millions of YouMailers go to search for and report nuisance phone numbers.