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Top 20 Robocallers to San Francisco, CA in March 2018

Robocaller Place of Origin Carrier Caller ID Caller Type
1. 415-349-5750 San Francisco, CA Skype PagerDuty General Alert
2. 623-492-4206 Phoenix, AZ Teleport Communications Financial Customer Call Financial Customer Call
3. 844-205-2138 Toll Free Toll Free SPAMMER Debt Collector
4. 603-957-4029 Portsmouth, NH Freedom Ring Communications, LLC Unknown Unknown Robocaller
5. 773-273-6136 Evanston, IL Inteliquent (773) 273-6136 Health Insurance Spam
6. 800-266-2278 Toll Free Zipwhip Customer Call Customer Call
7. 225-475-3918 Invalid Number Inteliquent Unknown Unknown Robocaller
8. 281-644-3770 Katy, TX ICG Telecom Group, Inc. Telemarketing 10 Unknown Robocaller
9. 386-310-0423 Daytona Beach, FL Inteliquent Unknown Unknown Robocaller
10. 800-441-0518 Toll Free Toll Free American Express Bank/Credit Card Payment Reminder

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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