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March 2018 San Francisco, CA Robocall Data
The robocall sample size to San Francisco, CA in March 2018 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 March 2018
| Robocaller | Place of Origin | Caller ID | Caller Type | |
|---|---|---|---|---|
| 1. | 415-349-5750 | San Francisco, CA | PagerDuty | General Alert |
| 2. | 623-492-4206 | Phoenix, AZ | Financial Customer Call | Financial Customer Call |
| 3. | 844-205-2138 | Toll Free | SPAMMER | Debt Collector |
| 4. | 603-957-4029 | Portsmouth, NH | Unknown | Unknown Robocaller |
| 5. | 773-273-6136 | Evanston, IL | (773) 273-6136 | Health Insurance Spam |
| 6. | 800-266-2278 | Toll Free | Customer Call | Customer Call |
| 7. | 225-475-3918 | Invalid Number | Unknown | Unknown Robocaller |
| 8. | 281-644-3770 | Katy, TX | Telemarketing 10 | Unknown Robocaller |
| 9. | 386-310-0423 | Daytona Beach, FL | Unknown | Unknown Robocaller |
| 10. | 800-441-0518 | Toll Free | American Express | Bank/Credit Card Payment Reminder |
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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