Put Robocallers Out of Business

YouMail blocks robocalls and notifies the authorities.

150,000+ ratings

See historical robocalls by

Top 25 Robocallers to San Francisco Bay Area, CA in August 2022

Robocaller Place of Origin Carrier Caller ID Caller Type
1. 800-528-4800 Toll Free Toll Free American Express Credit Card Debt Collector
2. 800-743-5000 Toll Free Toll Free Customer Call Service Payment Reminder
3. 713-568-6986 Houston, TX Bandwidth.com CLEC, LLC Global Tel Link Prison Call Consent
4. 605-367-1378 Sioux Falls, SD Airus, Inc. Call Alert Credit Card Debt Collector
5. 800-353-5920 Toll Free Toll Free Genesis FS Card Services Credit Card Debt Collector
6. 669-266-6750 San Jose, CA Bandwidth.com CLEC, LLC Prison Prepaid Call Prison Prepaid Call
7. 800-691-8755 Toll Free Toll Free Mortgage Loan Spam Mortgage Loan Spam
8. 925-248-9529 San Ramon, CA Bandwidth.com CLEC, LLC Prison Prepaid Call Prison Call Consent
9. 650-479-3047 Half Moon Bay, CA Peerless Network Alert Call Call Alert
10. 907-247-5231 Ketchikan, AK Unknown Securus Technologies Prison Call Payment
11. 855-844-0114 Toll Free Toll Free Synchrony Bank Credit Card Debt Collector
12. 775-515-8303 Invalid Number Inteliquent Securus Technologies Prison Call Consent
13. 925-269-0038 Martinez, CA teli Communications Unknown Unknown Robocaller
14. 800-942-3767 Toll Free Twilio Aesop Substitute Teacher Alert
15. 562-401-5940 Downey, CA Frontier Kaiser Permanente Service Alert
16. 800-443-0815 Toll Free Toll Free Kaiser Permanente Health Insurance Spam
17. 650-507-2115 Invalid Number Unknown Scam Likely Unknown Robocaller
18. 408-648-7402 San Jose, CA Metro by T-Mobile Generic Robocaller Generic Robocaller
19. 720-372-5726 Aurora, CO Level 3 Communications Comenity Bank Financial Customer Call
20. 877-647-8552 Toll Free Toll Free Wells Fargo Financial Customer Call
21. 888-934-6489 Toll Free Toll Free Comcast Customer Call
22. 855-419-7365 Toll Free Toll Free AT&T Customer Call
23. 208-719-3278 Coeur D Alene, ID Level 3 Communications Debt Collector Financial Customer Call
24. 707-749-8908 Benicia, CA T-Mobile Generic Robocaller Generic Robocaller
25. 877-770-8065 Toll Free Bandwidth CLEC - Syniverse Call Alert Employment Opportunity

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.