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December 2016 San Francisco, CA Robocall Data
The robocall sample size to San Francisco, CA in December 2016 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 2016
| Robocaller | Place of Origin | Carrier | Caller ID | Caller Type | |
|---|---|---|---|---|---|
| 1. | 415-349-5750 | San Francisco, CA | Skype | PagerDuty | General Alert |
| 2. | 866-576-8284 | Toll Free | Toll Free | Debt Collector | Debt Collector |
| 3. | 408-610-4900 | San Jose, CA | Inteliquent | Aol | Unknown Robocaller |
| 4. | 786-597-9374 | Miami, FL | AT&T Wireless | Spam | Unknown Robocaller |
| 5. | 800-639-6111 | Toll Free | Toll Free | Social security | Unknown Robocaller |
| 6. | 857-999-3703 | Cambridge, MA | Unknown | Unknown | Unknown Robocaller |
| 7. | 917-396-0858 | New York, NY | Metro by T-Mobile | NAME | Unknown Robocaller |
| 8. | 917-512-8172 | New York, NY | Level 3 Communications | Drew At Datadog | Unknown Robocaller |
| 9. | 944-223-9100 | Invalid Number | Unknown | (944) 223-9100 | Unknown Robocaller |
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!
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