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Top 20 Robocallers to San Francisco, CA in September 2017

Robocaller Place of Origin Carrier Caller ID Caller Type
1. 628-200-4415 San Francisco, CA Inteliquent (628) 200-4415 Unknown Robocaller
2. 206-922-0193 Seattle, WA Global Crossing Local Services, Inc. Google Voice Call Answer Delivery Alert
3. 571-291-3491 Leesburg, VA Comcast Spam Unknown Robocaller
4. 720-463-5465 Sedalia, CO MCI Metro ATS COMCAST Health Insurance Scam
5. 800-514-0427 Toll Free Toll Free Financial Customer Call Mortgage Loan Spam
6. 800-922-0204 Toll Free Toll Free Verizon Wireless Customer Call
7. 802-488-3002 Burlington, VT CTC 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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