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Top 20 Robocallers to Area Code 510 in December 2020

Robocaller Place of Origin Carrier Caller ID Caller Type
1. 925-248-9529 San Francisco Bay Area, CA Bandwidth.com CLEC, LLC Prison Free Call Prison Call Consent
2. 510-231-1100 San Francisco Bay Area, CA Bandwidth.com CLEC, LLC West Contra Costa Unified School District Order Followup
3. 888-934-6489 Toll Free Toll Free Comcast Customer Call
4. 510-992-3228 San Francisco Bay Area, CA Google Voice Religious Spam Fax Delivery Scam
5. 619-305-1819 San Diego, CA Unknown Google Voice Call Answer Google Voice Call Answer
6. 877-647-8552 Toll Free Toll Free Wells Fargo Bank/Credit Card Payment Reminder
7. 562-401-5940 Los Angeles, CA Frontier Kaiser Permanente Service Alert
8. 800-933-9555 Toll Free Toll Free Generic Robocaller Generic Robocaller
9. 480-900-1031 Phoenix, AZ Bandwidth.com CLEC, LLC Service Notice Service Alert
10. 866-532-0423 Toll Free Toll Free Citibank Bank/Credit Card Payment Reminder
11. 855-885-5834 Toll Free Toll Free Synchrony Bank Bank/Credit Card Payment Reminder
12. 510-281-1069 San Francisco Bay Area, CA Bandwidth.com CLEC, LLC Scam Likely Unknown Robocaller
13. 866-532-0424 Toll Free Toll Free Citibank Bank/Credit Card Payment Reminder
14. 800-947-5096 Toll Free Toll Free AT&T Service Payment Reminder
15. 855-464-6872 Toll Free Twilio Customer Call Customer Call
16. 480-613-5113 Phoenix, AZ Inteliquent Unknown Unknown Robocaller
17. 713-568-6986 Houston, TX Bandwidth.com CLEC, LLC Prison Call Payment Prison Call Consent
18. 206-453-2329 Seattle, WA Bandwidth.com CLEC, LLC Google Voice Call Answer Google Voice Call Answer
19. 855-895-3382 Toll Free Toll Free Fingerhut Payment Reminder
20. 510-921-3936 San Francisco Bay Area, CA Teleport Communications Legal Complaint Scam Unknown Robocaller

Robocalls by Category

California Cities in Area Code 510

Alameda, Albany, Berkeley, Castro Valley, Contra Costa, Crockett, El Sobrante, Emeryville, Fremont, Hayward, Hercules, Newark, Oakland, Pinole, Richmond, Rodeo, San Francisco, San Francisco Bay Area, San Jose, San Leandro, Sunnyvale, Union City, Walnut Creek

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.

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