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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 Exiant Communications, LLC CA INVERNESS Unknown Robocaller
6. 415-413-1465 Corte Madera, CA O1 Communications 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 CLEC, LLC Unknown Unknown Robocaller
11. 224-323-5016 Arlington Heights, IL Teleport Communications Walgreens Prescription Ready Alert
12. 740-834-1496 Delaware, OH Zipwhip 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 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 Coretel 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

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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