Put Robocallers Out of Business

YouMail blocks robocalls and notifies the authorities.

150,000+ ratings

September 2023 San Francisco, CA Robocall Data

The robocall sample size to San Francisco, CA in September 2023 is not large enough to provide conclusive data. The area received robocalls, but precise impact data meeting YouMail's standards can not be determined.

See historical robocalls by

Top 25 Robocallers to San Francisco, CA in September 2023

Robocaller Place of Origin Carrier Caller ID Caller Type
1. 844-585-0488 Toll Free Toll Free Bank Of America Fraud Alert
2. 877-348-3213 Toll Free Toll Free Bank Of America Financial Customer Call
3. 866-765-1242 Toll Free Toll Free Financial Customer Call Financial Customer Call
4. 877-404-6554 Toll Free Toll Free Financial Customer Call Financial Customer Call
5. 800-432-1000 Toll Free Toll Free Bank of America Financial Customer Call
6. 866-532-0423 Toll Free Toll Free Citibank Bank/Credit Card Payment Reminder
7. 415-602-2463 San Francisco, CA AT&T Wireless (415) 602-2463 Random Spam
8. 866-458-7688 Toll Free Toll Free Citibank Bank/Credit Card Payment Reminder
9. 312-818-5250 Chicago, IL Inteliquent Debt Collector Debt Collector
10. 844-585-0485 Toll Free Toll Free Bank Of America Fraud Alert
11. 866-532-0424 Toll Free Toll Free Citibank Bank/Credit Card Payment Reminder
12. 208-719-3276 Coeur D Alene, ID Level 3 Communications Random Spam Random Spam
13. 415-635-0599 San Francisco, CA Level 3 Communications Insurealife Call Alert
14. 415-728-7321 San Francisco, CA AT&T Wireless Unknown Unknown Robocaller
15. 720-372-5726 Aurora, CO Level 3 Communications Random Spam Financial Customer Call
16. 866-442-5032 Toll Free Toll Free Bank Of America Financial Customer Call
17. 866-529-9848 Toll Free Toll Free Debt Collector Debt Collector
18. 425-249-9071 Everett, WA Bandwidth.com CLEC, LLC Telemarketing Telemarketing
19. 614-534-2512 Hilliard, OH Level 3 Communications Unknown Unknown Robocaller
20. 505-253-0594 Albuquerque, NM Level 3 Communications Comenity Bank Debt Collector
21. 866-487-5583 Toll Free Toll Free Financial Customer Call Telemarketing
22. 480-805-3207 Invalid Number Inteliquent Credit One Bank Unknown Robocaller
23. 614-729-6593 Columbus, OH Level 3 Communications Comenity Bank Financial Customer Call
24. 707-304-7662 Santa Rosa, CA Bandwidth.com CLEC, LLC Prison Prepaid Call Prison Prepaid Call
25. 713-785-7400 Houston, TX Level 3 Communications Messaging System Calling 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!

We're the robocall experts. We have an unbelievable amount of data and insight and we just love talking about how to stop robocalls. If you're working on a story and need insight from the experts, we'd love to hear from you.
Thank you for contacting us. We'll be in touch shortly.

Getting Harassed by Robocalls?

Try YouMail's reverse phone lookup in our community directory! It's the place where millions of YouMailers go to search for and report nuisance phone numbers.