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Top 20 Robocallers to San Francisco, CA in November 2018

Robocaller Place of Origin Carrier Caller ID Caller Type
1. 628-200-4415 San Francisco, CA Inteliquent (628) 200-4415 Unknown Robocaller
2. 415-349-5750 San Francisco, CA Skype PagerDuty General Alert
3. 866-640-7790 Toll Free IntelePeer Unknown Unknown Robocaller
4. 888-736-4859 Toll Free Toll Free Unknown Unknown Robocaller
5. 628-225-1814 Invalid Number Peerless Network (628) 225-1814 Unknown Robocaller
6. 650-301-4800 Daly City, CA Teleport Communications Unknown Unknown Robocaller
7. 800-937-8997 Toll Free Toll Free T-Mobile Customer Call
8. 415-779-0177 Bolinas, CA IntelePeer Unknown Unknown Robocaller
9. 602-603-8018 Invalid Number MCI Metro ATS Comcast Customer Call
10. 716-800-6349 Buffalo, NY Level 3 Communications Unknown Unknown Robocaller

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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