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April 2021 San Francisco, CA Robocall Data
The robocall sample size to San Francisco, CA in April 2021 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 April 2021
| Robocaller | Place of Origin | Carrier | Caller ID | Caller Type | |
|---|---|---|---|---|---|
| 1. | 628-269-3139 | Invalid Number | Unknown | Unknown | Unknown Robocaller |
| 2. | 650-679-1433 | Redwood City, CA | T-Mobile | BUENROSTRO GISE | Unknown Robocaller |
| 3. | 310-258-9525 | Inglewood, CA | Bandwidth.com CLEC, LLC | Arrest Warrant Scam | Arrest Warrant Scam |
| 4. | 415-390-0332 | Point Reyes Station, CA | Level 3 Communications | Tax Debt Reduction Scam | Tax Debt Reduction Scam |
| 5. | 415-726-2387 | Greenbrae, CA | Level 3 Communications | Tax Reduction Spam | Tax Debt Reduction Spam |
| 6. | 415-787-4020 | Point Reyes Station, CA | Level 3 Communications | Student Loan Scam | Student Loan Scam |
| 7. | 801-781-6101 | Ogden, UT | Allstream Inc. (Canada) | Security System Alert | Service Alert |
| 8. | 213-924-6361 | Burbank, CA | T-Mobile | Messaging System Calling | Unknown Robocaller |
| 9. | 415-876-5130 | San Francisco, CA | Inteliquent | VALOR | Unknown Robocaller |
| 10. | 980-343-1591 | Charlotte, NC | Teleport Communications | School Announcement | School Announcement |
| 11. | 301-810-4800 | Monrovia, MD | MCI Metro ATS | Life Insurance Spam | Life Insurance Spam |
| 12. | 415-861-3136 | San Francisco, CA | MCI Metro ATS | Medical Appointment Reminder | Prescription Ready Alert |
| 13. | 510-518-3408 | Invalid Number | teli Communications | Scam Likely | Unknown Robocaller |
| 14. | 855-973-1040 | Toll Free | Toll Free | General Alert | Call Alert |
| 15. | 888-309-0195 | Toll Free | Toll Free | Generic Scammer | Unknown Robocaller |
| 16. | 202-455-8888 | Washington, DC | Google Voice | Google Voice Call Answer | Google Voice Call Answer |
| 17. | 212-486-6596 | New York, NY | Verizon Wireless | Unknown | Chinese Language Scam |
| 18. | 213-408-7365 | Los Angeles, CA | Inteliquent | Scam Likely | Unknown Robocaller |
| 19. | 310-591-5590 | Los Angeles, CA | Inteliquent | Vehicle Insurance Spam | Vehicle Insurance Spam |
| 20. | 402-935-7733 | Omaha, NE | Teleport Communications | Sign-In Verification | Credit Card Debt Collector |
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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